Home / 381,356.20-572,034.30-223,892.20

Finding the Fourth Proportional to 381,356.20, 572,034.30 and 223,892.20

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Solution

The fourth proportional to 381,356.20, 572,034.30 and 223,892.20 is: 335,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,356.20 : 572,034.30 = 223,892.20 : x
  2. Step 2: Convert to fraction form
    381,356.20/572,034.30 = 223,892.20/x
  3. Step 3: Cross multiply
    381,356.20x = 572,034.30 × 223,892.20
  4. Step 4: Simplify right side
    381,356.20x = 128,074,017,902.46
  5. Step 5: Solve for x
    x = 128,074,017,902.46/381,356.20
  6. Step 6: Final answer
    x = 335,838.30

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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.