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Finding the Fourth Proportional to 331,715.31, 457,405.38 and 224,098.49

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Solution

The fourth proportional to 331,715.31, 457,405.38 and 224,098.49 is: 309,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,715.31 : 457,405.38 = 224,098.49 : x
  2. Step 2: Convert to fraction form
    331,715.31/457,405.38 = 224,098.49/x
  3. Step 3: Cross multiply
    331,715.31x = 457,405.38 × 224,098.49
  4. Step 4: Simplify right side
    331,715.31x = 102,503,852,688.85
  5. Step 5: Solve for x
    x = 102,503,852,688.85/331,715.31
  6. Step 6: Final answer
    x = 309,011.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.