Home / 327,746.17-491,772.35-169,888.51

Finding the Fourth Proportional to 327,746.17, 491,772.35 and 169,888.51

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Solution

The fourth proportional to 327,746.17, 491,772.35 and 169,888.51 is: 254,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,746.17 : 491,772.35 = 169,888.51 : x
  2. Step 2: Convert to fraction form
    327,746.17/491,772.35 = 169,888.51/x
  3. Step 3: Cross multiply
    327,746.17x = 491,772.35 × 169,888.51
  4. Step 4: Simplify right side
    327,746.17x = 83,546,471,800.70
  5. Step 5: Solve for x
    x = 83,546,471,800.70/327,746.17
  6. Step 6: Final answer
    x = 254,912.12

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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.