Home / 381,817.28-527,028.72-268,970.24

Finding the Fourth Proportional to 381,817.28, 527,028.72 and 268,970.24

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Solution

The fourth proportional to 381,817.28, 527,028.72 and 268,970.24 is: 371,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,817.28 : 527,028.72 = 268,970.24 : x
  2. Step 2: Convert to fraction form
    381,817.28/527,028.72 = 268,970.24/x
  3. Step 3: Cross multiply
    381,817.28x = 527,028.72 × 268,970.24
  4. Step 4: Simplify right side
    381,817.28x = 141,755,041,305.29
  5. Step 5: Solve for x
    x = 141,755,041,305.29/381,817.28
  6. Step 6: Final answer
    x = 371,264.08

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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.