Home / 381,645.10-572,467.65-132,352.30

Finding the Fourth Proportional to 381,645.10, 572,467.65 and 132,352.30

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Solution

The fourth proportional to 381,645.10, 572,467.65 and 132,352.30 is: 198,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,645.10 : 572,467.65 = 132,352.30 : x
  2. Step 2: Convert to fraction form
    381,645.10/572,467.65 = 132,352.30/x
  3. Step 3: Cross multiply
    381,645.10x = 572,467.65 × 132,352.30
  4. Step 4: Simplify right side
    381,645.10x = 75,767,410,153.10
  5. Step 5: Solve for x
    x = 75,767,410,153.10/381,645.10
  6. Step 6: Final answer
    x = 198,528.45

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Similar ratio
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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.