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Finding the Fourth Proportional to 526,488.86, 789,732.68 and 171,502.31

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Solution

The fourth proportional to 526,488.86, 789,732.68 and 171,502.31 is: 257,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,488.86 : 789,732.68 = 171,502.31 : x
  2. Step 2: Convert to fraction form
    526,488.86/789,732.68 = 171,502.31/x
  3. Step 3: Cross multiply
    526,488.86x = 789,732.68 × 171,502.31
  4. Step 4: Simplify right side
    526,488.86x = 135,440,978,902.49
  5. Step 5: Solve for x
    x = 135,440,978,902.49/526,488.86
  6. Step 6: Final answer
    x = 257,253.27

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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.