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Finding the Fourth Proportional to 663,614.17, 995,424.90 and 164,978.17

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Solution

The fourth proportional to 663,614.17, 995,424.90 and 164,978.17 is: 247,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,614.17 : 995,424.90 = 164,978.17 : x
  2. Step 2: Convert to fraction form
    663,614.17/995,424.90 = 164,978.17/x
  3. Step 3: Cross multiply
    663,614.17x = 995,424.90 × 164,978.17
  4. Step 4: Simplify right side
    663,614.17x = 164,223,378,374.43
  5. Step 5: Solve for x
    x = 164,223,378,374.43/663,614.17
  6. Step 6: Final answer
    x = 247,468.16

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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.