Home / 402,242.24-555,097.86-220,957.85

Finding the Fourth Proportional to 402,242.24, 555,097.86 and 220,957.85

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Solution

The fourth proportional to 402,242.24, 555,097.86 and 220,957.85 is: 304,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,242.24 : 555,097.86 = 220,957.85 : x
  2. Step 2: Convert to fraction form
    402,242.24/555,097.86 = 220,957.85/x
  3. Step 3: Cross multiply
    402,242.24x = 555,097.86 × 220,957.85
  4. Step 4: Simplify right side
    402,242.24x = 122,653,229,685.20
  5. Step 5: Solve for x
    x = 122,653,229,685.20/402,242.24
  6. Step 6: Final answer
    x = 304,923.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.