Home / 418,081.12-576,953.04-227,092.96

Finding the Fourth Proportional to 418,081.12, 576,953.04 and 227,092.96

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Solution

The fourth proportional to 418,081.12, 576,953.04 and 227,092.96 is: 313,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,081.12 : 576,953.04 = 227,092.96 : x
  2. Step 2: Convert to fraction form
    418,081.12/576,953.04 = 227,092.96/x
  3. Step 3: Cross multiply
    418,081.12x = 576,953.04 × 227,092.96
  4. Step 4: Simplify right side
    418,081.12x = 131,021,973,634.60
  5. Step 5: Solve for x
    x = 131,021,973,634.60/418,081.12
  6. Step 6: Final answer
    x = 313,388.88

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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.