Home / 372,446.06-558,464.96-147,578.72

Finding the Fourth Proportional to 372,446.06, 558,464.96 and 147,578.72

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Solution

The fourth proportional to 372,446.06, 558,464.96 and 147,578.72 is: 221,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,446.06 : 558,464.96 = 147,578.72 : x
  2. Step 2: Convert to fraction form
    372,446.06/558,464.96 = 147,578.72/x
  3. Step 3: Cross multiply
    372,446.06x = 558,464.96 × 147,578.72
  4. Step 4: Simplify right side
    372,446.06x = 82,417,543,961.65
  5. Step 5: Solve for x
    x = 82,417,543,961.65/372,446.06
  6. Step 6: Final answer
    x = 221,287.20

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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.