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Finding the Fourth Proportional to 345,752.66, 518,333.17 and 132,673.49

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Solution

The fourth proportional to 345,752.66, 518,333.17 and 132,673.49 is: 198,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,752.66 : 518,333.17 = 132,673.49 : x
  2. Step 2: Convert to fraction form
    345,752.66/518,333.17 = 132,673.49/x
  3. Step 3: Cross multiply
    345,752.66x = 518,333.17 × 132,673.49
  4. Step 4: Simplify right side
    345,752.66x = 68,769,070,646.66
  5. Step 5: Solve for x
    x = 68,769,070,646.66/345,752.66
  6. Step 6: Final answer
    x = 198,896.72

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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.