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Finding the Fourth Proportional to 308,011.13, 460,892.67 and 181,711.88

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Solution

The fourth proportional to 308,011.13, 460,892.67 and 181,711.88 is: 271,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,011.13 : 460,892.67 = 181,711.88 : x
  2. Step 2: Convert to fraction form
    308,011.13/460,892.67 = 181,711.88/x
  3. Step 3: Cross multiply
    308,011.13x = 460,892.67 × 181,711.88
  4. Step 4: Simplify right side
    308,011.13x = 83,749,672,286.38
  5. Step 5: Solve for x
    x = 83,749,672,286.38/308,011.13
  6. Step 6: Final answer
    x = 271,904.70

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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.