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Finding the Fourth Proportional to 333,892.71, 500,617.62 and 109,174.41

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Solution

The fourth proportional to 333,892.71, 500,617.62 and 109,174.41 is: 163,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,892.71 : 500,617.62 = 109,174.41 : x
  2. Step 2: Convert to fraction form
    333,892.71/500,617.62 = 109,174.41/x
  3. Step 3: Cross multiply
    333,892.71x = 500,617.62 × 109,174.41
  4. Step 4: Simplify right side
    333,892.71x = 54,654,633,299.10
  5. Step 5: Solve for x
    x = 54,654,633,299.10/333,892.71
  6. Step 6: Final answer
    x = 163,689.21

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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.