Home / 437,931.60-656,443.80-237,829.20

Finding the Fourth Proportional to 437,931.60, 656,443.80 and 237,829.20

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Solution

The fourth proportional to 437,931.60, 656,443.80 and 237,829.20 is: 356,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,931.60 : 656,443.80 = 237,829.20 : x
  2. Step 2: Convert to fraction form
    437,931.60/656,443.80 = 237,829.20/x
  3. Step 3: Cross multiply
    437,931.60x = 656,443.80 × 237,829.20
  4. Step 4: Simplify right side
    437,931.60x = 156,121,503,798.96
  5. Step 5: Solve for x
    x = 156,121,503,798.96/437,931.60
  6. Step 6: Final answer
    x = 356,497.46

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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.