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Finding the Fourth Proportional to 635,818.45, 953,689.04 and 225,508.09

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Solution

The fourth proportional to 635,818.45, 953,689.04 and 225,508.09 is: 338,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,818.45 : 953,689.04 = 225,508.09 : x
  2. Step 2: Convert to fraction form
    635,818.45/953,689.04 = 225,508.09/x
  3. Step 3: Cross multiply
    635,818.45x = 953,689.04 × 225,508.09
  4. Step 4: Simplify right side
    635,818.45x = 215,064,589,095.89
  5. Step 5: Solve for x
    x = 215,064,589,095.89/635,818.45
  6. Step 6: Final answer
    x = 338,248.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.