Home / 327,721.50-491,608.92-91,064.19

Finding the Fourth Proportional to 327,721.50, 491,608.92 and 91,064.19

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Solution

The fourth proportional to 327,721.50, 491,608.92 and 91,064.19 is: 136,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,721.50 : 491,608.92 = 91,064.19 : x
  2. Step 2: Convert to fraction form
    327,721.50/491,608.92 = 91,064.19/x
  3. Step 3: Cross multiply
    327,721.50x = 491,608.92 × 91,064.19
  4. Step 4: Simplify right side
    327,721.50x = 44,767,968,096.57
  5. Step 5: Solve for x
    x = 44,767,968,096.57/327,721.50
  6. Step 6: Final answer
    x = 136,603.70

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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.