Home / 418,267.47-577,207.11-236,979.06

Finding the Fourth Proportional to 418,267.47, 577,207.11 and 236,979.06

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Solution

The fourth proportional to 418,267.47, 577,207.11 and 236,979.06 is: 327,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,267.47 : 577,207.11 = 236,979.06 : x
  2. Step 2: Convert to fraction form
    418,267.47/577,207.11 = 236,979.06/x
  3. Step 3: Cross multiply
    418,267.47x = 577,207.11 × 236,979.06
  4. Step 4: Simplify right side
    418,267.47x = 136,785,998,353.12
  5. Step 5: Solve for x
    x = 136,785,998,353.12/418,267.47
  6. Step 6: Final answer
    x = 327,029.97

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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.