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Finding the Fourth Proportional to 361,119.32, 541,666.01 and 136,470.68

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Solution

The fourth proportional to 361,119.32, 541,666.01 and 136,470.68 is: 204,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,119.32 : 541,666.01 = 136,470.68 : x
  2. Step 2: Convert to fraction form
    361,119.32/541,666.01 = 136,470.68/x
  3. Step 3: Cross multiply
    361,119.32x = 541,666.01 × 136,470.68
  4. Step 4: Simplify right side
    361,119.32x = 73,921,526,350.43
  5. Step 5: Solve for x
    x = 73,921,526,350.43/361,119.32
  6. Step 6: Final answer
    x = 204,701.11

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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.