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Finding the Fourth Proportional to 868,521.52, 1,302,782.84 and 237,387.88

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Solution

The fourth proportional to 868,521.52, 1,302,782.84 and 237,387.88 is: 356,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,521.52 : 1,302,782.84 = 237,387.88 : x
  2. Step 2: Convert to fraction form
    868,521.52/1,302,782.84 = 237,387.88/x
  3. Step 3: Cross multiply
    868,521.52x = 1,302,782.84 × 237,387.88
  4. Step 4: Simplify right side
    868,521.52x = 309,264,856,487.98
  5. Step 5: Solve for x
    x = 309,264,856,487.98/868,521.52
  6. Step 6: Final answer
    x = 356,081.97

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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.