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Finding the Fourth Proportional to 663,618.13, 995,430.90 and 164,982.13

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Solution

The fourth proportional to 663,618.13, 995,430.90 and 164,982.13 is: 247,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,618.13 : 995,430.90 = 164,982.13 : x
  2. Step 2: Convert to fraction form
    663,618.13/995,430.90 = 164,982.13/x
  3. Step 3: Cross multiply
    663,618.13x = 995,430.90 × 164,982.13
  4. Step 4: Simplify right side
    663,618.13x = 164,228,310,149.82
  5. Step 5: Solve for x
    x = 164,228,310,149.82/663,618.13
  6. Step 6: Final answer
    x = 247,474.12

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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.