Home / 438,912.06-605,747.96-247,937.76

Finding the Fourth Proportional to 438,912.06, 605,747.96 and 247,937.76

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Solution

The fourth proportional to 438,912.06, 605,747.96 and 247,937.76 is: 342,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,912.06 : 605,747.96 = 247,937.76 : x
  2. Step 2: Convert to fraction form
    438,912.06/605,747.96 = 247,937.76/x
  3. Step 3: Cross multiply
    438,912.06x = 605,747.96 × 247,937.76
  4. Step 4: Simplify right side
    438,912.06x = 150,187,792,326.97
  5. Step 5: Solve for x
    x = 150,187,792,326.97/438,912.06
  6. Step 6: Final answer
    x = 342,181.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.