Home / 346,576-478,274.88-187,600

Finding the Fourth Proportional to 346,576, 478,274.88 and 187,600

Calculator

Solution

The fourth proportional to 346,576, 478,274.88 and 187,600 is: 258,888

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,576 : 478,274.88 = 187,600 : x
  2. Step 2: Convert to fraction form
    346,576/478,274.88 = 187,600/x
  3. Step 3: Cross multiply
    346,576x = 478,274.88 × 187,600
  4. Step 4: Simplify right side
    346,576x = 89,724,367,488
  5. Step 5: Solve for x
    x = 89,724,367,488/346,576
  6. Step 6: Final answer
    x = 258,888

Related Problems

Find fourth proportional to 173,288, 239,137.44 and 93,800
Half scale
Find fourth proportional to 693,152, 956,549.76 and 375,200
Double scale
Find fourth proportional to 346,577, 478,276.26 and 187,601
Similar ratio
Find fourth proportional to 519,864, 717,412.32 and 281,400
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.