Home / 372,112.89-558,450.18-272,531.25

Finding the Fourth Proportional to 372,112.89, 558,450.18 and 272,531.25

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Solution

The fourth proportional to 372,112.89, 558,450.18 and 272,531.25 is: 409,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,112.89 : 558,450.18 = 272,531.25 : x
  2. Step 2: Convert to fraction form
    372,112.89/558,450.18 = 272,531.25/x
  3. Step 3: Cross multiply
    372,112.89x = 558,450.18 × 272,531.25
  4. Step 4: Simplify right side
    372,112.89x = 152,195,125,618.13
  5. Step 5: Solve for x
    x = 152,195,125,618.13/372,112.89
  6. Step 6: Final answer
    x = 409,002.56

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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.