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Finding the Fourth Proportional to 663,644.28, 995,470.02 and 165,008.28

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Solution

The fourth proportional to 663,644.28, 995,470.02 and 165,008.28 is: 247,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,644.28 : 995,470.02 = 165,008.28 : x
  2. Step 2: Convert to fraction form
    663,644.28/995,470.02 = 165,008.28/x
  3. Step 3: Cross multiply
    663,644.28x = 995,470.02 × 165,008.28
  4. Step 4: Simplify right side
    663,644.28x = 164,260,795,791.77
  5. Step 5: Solve for x
    x = 164,260,795,791.77/663,644.28
  6. Step 6: Final answer
    x = 247,513.32

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1.5x scale

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.