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Finding the Fourth Proportional to 472,542.96, 652,233.60 and 268,713.36

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Solution

The fourth proportional to 472,542.96, 652,233.60 and 268,713.36 is: 370,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,542.96 : 652,233.60 = 268,713.36 : x
  2. Step 2: Convert to fraction form
    472,542.96/652,233.60 = 268,713.36/x
  3. Step 3: Cross multiply
    472,542.96x = 652,233.60 × 268,713.36
  4. Step 4: Simplify right side
    472,542.96x = 175,263,882,160.90
  5. Step 5: Solve for x
    x = 175,263,882,160.90/472,542.96
  6. Step 6: Final answer
    x = 370,895.13

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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.