Home / 381,815.28-527,025.96-268,968.24

Finding the Fourth Proportional to 381,815.28, 527,025.96 and 268,968.24

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Solution

The fourth proportional to 381,815.28, 527,025.96 and 268,968.24 is: 371,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,815.28 : 527,025.96 = 268,968.24 : x
  2. Step 2: Convert to fraction form
    381,815.28/527,025.96 = 268,968.24/x
  3. Step 3: Cross multiply
    381,815.28x = 527,025.96 × 268,968.24
  4. Step 4: Simplify right side
    381,815.28x = 141,753,244,895.51
  5. Step 5: Solve for x
    x = 141,753,244,895.51/381,815.28
  6. Step 6: Final answer
    x = 371,261.32

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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.