Home / 439,020.38-658,537.85-154,714.36

Finding the Fourth Proportional to 439,020.38, 658,537.85 and 154,714.36

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Solution

The fourth proportional to 439,020.38, 658,537.85 and 154,714.36 is: 232,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,020.38 : 658,537.85 = 154,714.36 : x
  2. Step 2: Convert to fraction form
    439,020.38/658,537.85 = 154,714.36/x
  3. Step 3: Cross multiply
    439,020.38x = 658,537.85 × 154,714.36
  4. Step 4: Simplify right side
    439,020.38x = 101,885,259,578.61
  5. Step 5: Solve for x
    x = 101,885,259,578.61/439,020.38
  6. Step 6: Final answer
    x = 232,074.10

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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.