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Finding the Fourth Proportional to 663,387.70, 995,081.55 and 164,751.70

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Solution

The fourth proportional to 663,387.70, 995,081.55 and 164,751.70 is: 247,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,387.70 : 995,081.55 = 164,751.70 : x
  2. Step 2: Convert to fraction form
    663,387.70/995,081.55 = 164,751.70/x
  3. Step 3: Cross multiply
    663,387.70x = 995,081.55 × 164,751.70
  4. Step 4: Simplify right side
    663,387.70x = 163,941,377,001.14
  5. Step 5: Solve for x
    x = 163,941,377,001.14/663,387.70
  6. Step 6: Final answer
    x = 247,127.55

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Similar ratio
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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.