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Finding the Fourth Proportional to 426,654.52, 588,771.96 and 235,663.81

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Solution

The fourth proportional to 426,654.52, 588,771.96 and 235,663.81 is: 325,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,654.52 : 588,771.96 = 235,663.81 : x
  2. Step 2: Convert to fraction form
    426,654.52/588,771.96 = 235,663.81/x
  3. Step 3: Cross multiply
    426,654.52x = 588,771.96 × 235,663.81
  4. Step 4: Simplify right side
    426,654.52x = 138,752,243,314.77
  5. Step 5: Solve for x
    x = 138,752,243,314.77/426,654.52
  6. Step 6: Final answer
    x = 325,209.83

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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.