Home / 418,030.61-576,881.80-227,044.15

Finding the Fourth Proportional to 418,030.61, 576,881.80 and 227,044.15

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Solution

The fourth proportional to 418,030.61, 576,881.80 and 227,044.15 is: 313,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,030.61 : 576,881.80 = 227,044.15 : x
  2. Step 2: Convert to fraction form
    418,030.61/576,881.80 = 227,044.15/x
  3. Step 3: Cross multiply
    418,030.61x = 576,881.80 × 227,044.15
  4. Step 4: Simplify right side
    418,030.61x = 130,977,635,921.66
  5. Step 5: Solve for x
    x = 130,977,635,921.66/418,030.61
  6. Step 6: Final answer
    x = 313,320.69

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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.