Home / 327,701.49-491,743.29-138,150.25

Finding the Fourth Proportional to 327,701.49, 491,743.29 and 138,150.25

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Solution

The fourth proportional to 327,701.49, 491,743.29 and 138,150.25 is: 207,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,701.49 : 491,743.29 = 138,150.25 : x
  2. Step 2: Convert to fraction form
    327,701.49/491,743.29 = 138,150.25/x
  3. Step 3: Cross multiply
    327,701.49x = 491,743.29 × 138,150.25
  4. Step 4: Simplify right side
    327,701.49x = 67,934,459,582.07
  5. Step 5: Solve for x
    x = 67,934,459,582.07/327,701.49
  6. Step 6: Final answer
    x = 207,305.92

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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.