Home / 328,896-493,422-107,280

Finding the Fourth Proportional to 328,896, 493,422 and 107,280

Calculator

Solution

The fourth proportional to 328,896, 493,422 and 107,280 is: 160,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,896 : 493,422 = 107,280 : x
  2. Step 2: Convert to fraction form
    328,896/493,422 = 107,280/x
  3. Step 3: Cross multiply
    328,896x = 493,422 × 107,280
  4. Step 4: Simplify right side
    328,896x = 52,934,312,160
  5. Step 5: Solve for x
    x = 52,934,312,160/328,896
  6. Step 6: Final answer
    x = 160,945.44

Related Problems

Find fourth proportional to 164,448, 246,711 and 53,640
Half scale
Find fourth proportional to 657,792, 986,844 and 214,560
Double scale
Find fourth proportional to 328,897, 493,423.50 and 107,281
Similar ratio
Find fourth proportional to 493,344, 740,133 and 160,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.