Home / 372,975.45-559,951.01-221,449.16

Finding the Fourth Proportional to 372,975.45, 559,951.01 and 221,449.16

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Solution

The fourth proportional to 372,975.45, 559,951.01 and 221,449.16 is: 332,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,975.45 : 559,951.01 = 221,449.16 : x
  2. Step 2: Convert to fraction form
    372,975.45/559,951.01 = 221,449.16/x
  3. Step 3: Cross multiply
    372,975.45x = 559,951.01 × 221,449.16
  4. Step 4: Simplify right side
    372,975.45x = 124,000,676,898.65
  5. Step 5: Solve for x
    x = 124,000,676,898.65/372,975.45
  6. Step 6: Final answer
    x = 332,463.37

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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.