Home / 327,989.16-491,561.33-159,182.80

Finding the Fourth Proportional to 327,989.16, 491,561.33 and 159,182.80

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Solution

The fourth proportional to 327,989.16, 491,561.33 and 159,182.80 is: 238,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,989.16 : 491,561.33 = 159,182.80 : x
  2. Step 2: Convert to fraction form
    327,989.16/491,561.33 = 159,182.80/x
  3. Step 3: Cross multiply
    327,989.16x = 491,561.33 × 159,182.80
  4. Step 4: Simplify right side
    327,989.16x = 78,248,106,856.31
  5. Step 5: Solve for x
    x = 78,248,106,856.31/327,989.16
  6. Step 6: Final answer
    x = 238,569.19

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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.