Home / 327,437.74-491,345.25-137,883.34

Finding the Fourth Proportional to 327,437.74, 491,345.25 and 137,883.34

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Solution

The fourth proportional to 327,437.74, 491,345.25 and 137,883.34 is: 206,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,437.74 : 491,345.25 = 137,883.34 : x
  2. Step 2: Convert to fraction form
    327,437.74/491,345.25 = 137,883.34/x
  3. Step 3: Cross multiply
    327,437.74x = 491,345.25 × 137,883.34
  4. Step 4: Simplify right side
    327,437.74x = 67,748,324,163.14
  5. Step 5: Solve for x
    x = 67,748,324,163.14/327,437.74
  6. Step 6: Final answer
    x = 206,904.45

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1.5x scale

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.