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Finding the Fourth Proportional to 224,597.25, 309,908.97 and 129,086.10

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Solution

The fourth proportional to 224,597.25, 309,908.97 and 129,086.10 is: 178,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,597.25 : 309,908.97 = 129,086.10 : x
  2. Step 2: Convert to fraction form
    224,597.25/309,908.97 = 129,086.10/x
  3. Step 3: Cross multiply
    224,597.25x = 309,908.97 × 129,086.10
  4. Step 4: Simplify right side
    224,597.25x = 40,004,940,292.32
  5. Step 5: Solve for x
    x = 40,004,940,292.32/224,597.25
  6. Step 6: Final answer
    x = 178,118.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.