Home / 372,759.78-558,926.34-172,977.30

Finding the Fourth Proportional to 372,759.78, 558,926.34 and 172,977.30

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Solution

The fourth proportional to 372,759.78, 558,926.34 and 172,977.30 is: 259,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,759.78 : 558,926.34 = 172,977.30 : x
  2. Step 2: Convert to fraction form
    372,759.78/558,926.34 = 172,977.30/x
  3. Step 3: Cross multiply
    372,759.78x = 558,926.34 × 172,977.30
  4. Step 4: Simplify right side
    372,759.78x = 96,681,569,192.08
  5. Step 5: Solve for x
    x = 96,681,569,192.08/372,759.78
  6. Step 6: Final answer
    x = 259,366.96

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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.