Home / 372,407.83-558,174.27-172,305.43

Finding the Fourth Proportional to 372,407.83, 558,174.27 and 172,305.43

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Solution

The fourth proportional to 372,407.83, 558,174.27 and 172,305.43 is: 258,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,407.83 : 558,174.27 = 172,305.43 : x
  2. Step 2: Convert to fraction form
    372,407.83/558,174.27 = 172,305.43/x
  3. Step 3: Cross multiply
    372,407.83x = 558,174.27 × 172,305.43
  4. Step 4: Simplify right side
    372,407.83x = 96,176,457,607.29
  5. Step 5: Solve for x
    x = 96,176,457,607.29/372,407.83
  6. Step 6: Final answer
    x = 258,255.73

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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.