Home / 356,866.56-492,480-206,012.16

Finding the Fourth Proportional to 356,866.56, 492,480 and 206,012.16

Calculator

Solution

The fourth proportional to 356,866.56, 492,480 and 206,012.16 is: 284,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,866.56 : 492,480 = 206,012.16 : x
  2. Step 2: Convert to fraction form
    356,866.56/492,480 = 206,012.16/x
  3. Step 3: Cross multiply
    356,866.56x = 492,480 × 206,012.16
  4. Step 4: Simplify right side
    356,866.56x = 101,456,868,556.80
  5. Step 5: Solve for x
    x = 101,456,868,556.80/356,866.56
  6. Step 6: Final answer
    x = 284,299.17

Related Problems

Find fourth proportional to 178,433.28, 246,240 and 103,006.08
Half scale
Find fourth proportional to 713,733.12, 984,960 and 412,024.32
Double scale
Find fourth proportional to 356,867.56, 492,481.38 and 206,013.16
Similar ratio
Find fourth proportional to 535,299.84, 738,720 and 309,018.24
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.