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Finding the Fourth Proportional to 439,470.97, 659,148.10 and 123,953.29

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Solution

The fourth proportional to 439,470.97, 659,148.10 and 123,953.29 is: 185,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,470.97 : 659,148.10 = 123,953.29 : x
  2. Step 2: Convert to fraction form
    439,470.97/659,148.10 = 123,953.29/x
  3. Step 3: Cross multiply
    439,470.97x = 659,148.10 × 123,953.29
  4. Step 4: Simplify right side
    439,470.97x = 81,703,573,634.50
  5. Step 5: Solve for x
    x = 81,703,573,634.50/439,470.97
  6. Step 6: Final answer
    x = 185,913.47

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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.