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Finding the Fourth Proportional to 508,028.76, 762,191.28 and 227,480.40

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Solution

The fourth proportional to 508,028.76, 762,191.28 and 227,480.40 is: 341,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,028.76 : 762,191.28 = 227,480.40 : x
  2. Step 2: Convert to fraction form
    508,028.76/762,191.28 = 227,480.40/x
  3. Step 3: Cross multiply
    508,028.76x = 762,191.28 × 227,480.40
  4. Step 4: Simplify right side
    508,028.76x = 173,383,577,250.91
  5. Step 5: Solve for x
    x = 173,383,577,250.91/508,028.76
  6. Step 6: Final answer
    x = 341,286.93

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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.