Home / 663,740.20-995,613.90-165,104.20

Finding the Fourth Proportional to 663,740.20, 995,613.90 and 165,104.20

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Solution

The fourth proportional to 663,740.20, 995,613.90 and 165,104.20 is: 247,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,740.20 : 995,613.90 = 165,104.20 : x
  2. Step 2: Convert to fraction form
    663,740.20/995,613.90 = 165,104.20/x
  3. Step 3: Cross multiply
    663,740.20x = 995,613.90 × 165,104.20
  4. Step 4: Simplify right side
    663,740.20x = 164,380,036,468.38
  5. Step 5: Solve for x
    x = 164,380,036,468.38/663,740.20
  6. Step 6: Final answer
    x = 247,657.20

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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.