Home / 437,939.60-656,455.80-237,837.20

Finding the Fourth Proportional to 437,939.60, 656,455.80 and 237,837.20

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Solution

The fourth proportional to 437,939.60, 656,455.80 and 237,837.20 is: 356,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,939.60 : 656,455.80 = 237,837.20 : x
  2. Step 2: Convert to fraction form
    437,939.60/656,455.80 = 237,837.20/x
  3. Step 3: Cross multiply
    437,939.60x = 656,455.80 × 237,837.20
  4. Step 4: Simplify right side
    437,939.60x = 156,129,609,395.76
  5. Step 5: Solve for x
    x = 156,129,609,395.76/437,939.60
  6. Step 6: Final answer
    x = 356,509.46

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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.