Home / 451,100.28-676,554.92-268,811.78

Finding the Fourth Proportional to 451,100.28, 676,554.92 and 268,811.78

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Solution

The fourth proportional to 451,100.28, 676,554.92 and 268,811.78 is: 403,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,100.28 : 676,554.92 = 268,811.78 : x
  2. Step 2: Convert to fraction form
    451,100.28/676,554.92 = 268,811.78/x
  3. Step 3: Cross multiply
    451,100.28x = 676,554.92 × 268,811.78
  4. Step 4: Simplify right side
    451,100.28x = 181,865,931,293.60
  5. Step 5: Solve for x
    x = 181,865,931,293.60/451,100.28
  6. Step 6: Final answer
    x = 403,160.76

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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.