Home / 381,334.24-572,152.02-144,739.72

Finding the Fourth Proportional to 381,334.24, 572,152.02 and 144,739.72

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Solution

The fourth proportional to 381,334.24, 572,152.02 and 144,739.72 is: 217,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,334.24 : 572,152.02 = 144,739.72 : x
  2. Step 2: Convert to fraction form
    381,334.24/572,152.02 = 144,739.72/x
  3. Step 3: Cross multiply
    381,334.24x = 572,152.02 × 144,739.72
  4. Step 4: Simplify right side
    381,334.24x = 82,813,123,172.23
  5. Step 5: Solve for x
    x = 82,813,123,172.23/381,334.24
  6. Step 6: Final answer
    x = 217,166.76

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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.