Home / 417,994.78-576,837.04-227,011.90

Finding the Fourth Proportional to 417,994.78, 576,837.04 and 227,011.90

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Solution

The fourth proportional to 417,994.78, 576,837.04 and 227,011.90 is: 313,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,994.78 : 576,837.04 = 227,011.90 : x
  2. Step 2: Convert to fraction form
    417,994.78/576,837.04 = 227,011.90/x
  3. Step 3: Cross multiply
    417,994.78x = 576,837.04 × 227,011.90
  4. Step 4: Simplify right side
    417,994.78x = 130,948,872,440.78
  5. Step 5: Solve for x
    x = 130,948,872,440.78/417,994.78
  6. Step 6: Final answer
    x = 313,278.73

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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.