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Finding the Fourth Proportional to 663,347.40, 995,021.10 and 164,711.40

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Solution

The fourth proportional to 663,347.40, 995,021.10 and 164,711.40 is: 247,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,347.40 : 995,021.10 = 164,711.40 : x
  2. Step 2: Convert to fraction form
    663,347.40/995,021.10 = 164,711.40/x
  3. Step 3: Cross multiply
    663,347.40x = 995,021.10 × 164,711.40
  4. Step 4: Simplify right side
    663,347.40x = 163,891,318,410.54
  5. Step 5: Solve for x
    x = 163,891,318,410.54/663,347.40
  6. Step 6: Final answer
    x = 247,067.10

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Double scale
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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.