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Finding the Fourth Proportional to 376,332.48, 564,563.52 and 126,956.16

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Solution

The fourth proportional to 376,332.48, 564,563.52 and 126,956.16 is: 190,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,332.48 : 564,563.52 = 126,956.16 : x
  2. Step 2: Convert to fraction form
    376,332.48/564,563.52 = 126,956.16/x
  3. Step 3: Cross multiply
    376,332.48x = 564,563.52 × 126,956.16
  4. Step 4: Simplify right side
    376,332.48x = 71,674,816,575.28
  5. Step 5: Solve for x
    x = 71,674,816,575.28/376,332.48
  6. Step 6: Final answer
    x = 190,456.10

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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.