Home / 437,424.10-656,136.15-156,904.90

Finding the Fourth Proportional to 437,424.10, 656,136.15 and 156,904.90

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Solution

The fourth proportional to 437,424.10, 656,136.15 and 156,904.90 is: 235,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,424.10 : 656,136.15 = 156,904.90 : x
  2. Step 2: Convert to fraction form
    437,424.10/656,136.15 = 156,904.90/x
  3. Step 3: Cross multiply
    437,424.10x = 656,136.15 × 156,904.90
  4. Step 4: Simplify right side
    437,424.10x = 102,950,977,002.14
  5. Step 5: Solve for x
    x = 102,950,977,002.14/437,424.10
  6. Step 6: Final answer
    x = 235,357.35

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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.