Home / 372,891.58-559,825.18-221,365.28

Finding the Fourth Proportional to 372,891.58, 559,825.18 and 221,365.28

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Solution

The fourth proportional to 372,891.58, 559,825.18 and 221,365.28 is: 332,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,891.58 : 559,825.18 = 221,365.28 : x
  2. Step 2: Convert to fraction form
    372,891.58/559,825.18 = 221,365.28/x
  3. Step 3: Cross multiply
    372,891.58x = 559,825.18 × 221,365.28
  4. Step 4: Simplify right side
    372,891.58x = 123,925,857,721.75
  5. Step 5: Solve for x
    x = 123,925,857,721.75/372,891.58
  6. Step 6: Final answer
    x = 332,337.51

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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.