Home / 372,580.08-558,432.71-172,477.78

Finding the Fourth Proportional to 372,580.08, 558,432.71 and 172,477.78

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Solution

The fourth proportional to 372,580.08, 558,432.71 and 172,477.78 is: 258,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,580.08 : 558,432.71 = 172,477.78 : x
  2. Step 2: Convert to fraction form
    372,580.08/558,432.71 = 172,477.78/x
  3. Step 3: Cross multiply
    372,580.08x = 558,432.71 × 172,477.78
  4. Step 4: Simplify right side
    372,580.08x = 96,317,234,100.18
  5. Step 5: Solve for x
    x = 96,317,234,100.18/372,580.08
  6. Step 6: Final answer
    x = 258,514.18

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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.