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Finding the Fourth Proportional to 426,144.52, 588,112.68 and 244,919.71

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Solution

The fourth proportional to 426,144.52, 588,112.68 and 244,919.71 is: 338,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,144.52 : 588,112.68 = 244,919.71 : x
  2. Step 2: Convert to fraction form
    426,144.52/588,112.68 = 244,919.71/x
  3. Step 3: Cross multiply
    426,144.52x = 588,112.68 × 244,919.71
  4. Step 4: Simplify right side
    426,144.52x = 144,040,387,032.92
  5. Step 5: Solve for x
    x = 144,040,387,032.92/426,144.52
  6. Step 6: Final answer
    x = 338,008.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.