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Finding the Fourth Proportional to 224,681.28, 336,999.60 and 58,469.28

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Solution

The fourth proportional to 224,681.28, 336,999.60 and 58,469.28 is: 87,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,681.28 : 336,999.60 = 58,469.28 : x
  2. Step 2: Convert to fraction form
    224,681.28/336,999.60 = 58,469.28/x
  3. Step 3: Cross multiply
    224,681.28x = 336,999.60 × 58,469.28
  4. Step 4: Simplify right side
    224,681.28x = 19,704,123,972.29
  5. Step 5: Solve for x
    x = 19,704,123,972.29/224,681.28
  6. Step 6: Final answer
    x = 87,698.11

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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.