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Finding the Fourth Proportional to 223,850.28, 308,915.46 and 123,251.88

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Solution

The fourth proportional to 223,850.28, 308,915.46 and 123,251.88 is: 170,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,850.28 : 308,915.46 = 123,251.88 : x
  2. Step 2: Convert to fraction form
    223,850.28/308,915.46 = 123,251.88/x
  3. Step 3: Cross multiply
    223,850.28x = 308,915.46 × 123,251.88
  4. Step 4: Simplify right side
    223,850.28x = 38,074,411,206.06
  5. Step 5: Solve for x
    x = 38,074,411,206.06/223,850.28
  6. Step 6: Final answer
    x = 170,088.74

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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.