Home / 372,389.04-558,146.15-172,286.75

Finding the Fourth Proportional to 372,389.04, 558,146.15 and 172,286.75

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Solution

The fourth proportional to 372,389.04, 558,146.15 and 172,286.75 is: 258,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,389.04 : 558,146.15 = 172,286.75 : x
  2. Step 2: Convert to fraction form
    372,389.04/558,146.15 = 172,286.75/x
  3. Step 3: Cross multiply
    372,389.04x = 558,146.15 × 172,286.75
  4. Step 4: Simplify right side
    372,389.04x = 96,161,182,556.35
  5. Step 5: Solve for x
    x = 96,161,182,556.35/372,389.04
  6. Step 6: Final answer
    x = 258,227.75

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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.