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Finding the Fourth Proportional to 538,747.79, 808,125.73 and 239,147.83

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Solution

The fourth proportional to 538,747.79, 808,125.73 and 239,147.83 is: 358,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,747.79 : 808,125.73 = 239,147.83 : x
  2. Step 2: Convert to fraction form
    538,747.79/808,125.73 = 239,147.83/x
  3. Step 3: Cross multiply
    538,747.79x = 808,125.73 × 239,147.83
  4. Step 4: Simplify right side
    538,747.79x = 193,261,512,078.48
  5. Step 5: Solve for x
    x = 193,261,512,078.48/538,747.79
  6. Step 6: Final answer
    x = 358,723.53

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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.