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Finding the Fourth Proportional to 437,927.60, 656,437.80 and 237,825.20

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Solution

The fourth proportional to 437,927.60, 656,437.80 and 237,825.20 is: 356,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,927.60 : 656,437.80 = 237,825.20 : x
  2. Step 2: Convert to fraction form
    437,927.60/656,437.80 = 237,825.20/x
  3. Step 3: Cross multiply
    437,927.60x = 656,437.80 × 237,825.20
  4. Step 4: Simplify right side
    437,927.60x = 156,117,451,072.56
  5. Step 5: Solve for x
    x = 156,117,451,072.56/437,927.60
  6. Step 6: Final answer
    x = 356,491.46

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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.