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Finding the Fourth Proportional to 489,753.92, 734,579.04 and 157,304

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Solution

The fourth proportional to 489,753.92, 734,579.04 and 157,304 is: 235,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,753.92 : 734,579.04 = 157,304 : x
  2. Step 2: Convert to fraction form
    489,753.92/734,579.04 = 157,304/x
  3. Step 3: Cross multiply
    489,753.92x = 734,579.04 × 157,304
  4. Step 4: Simplify right side
    489,753.92x = 115,552,221,308.16
  5. Step 5: Solve for x
    x = 115,552,221,308.16/489,753.92
  6. Step 6: Final answer
    x = 235,939.35

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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.