Home / 327,350.07-491,145.05-137,858.14

Finding the Fourth Proportional to 327,350.07, 491,145.05 and 137,858.14

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Solution

The fourth proportional to 327,350.07, 491,145.05 and 137,858.14 is: 206,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,350.07 : 491,145.05 = 137,858.14 : x
  2. Step 2: Convert to fraction form
    327,350.07/491,145.05 = 137,858.14/x
  3. Step 3: Cross multiply
    327,350.07x = 491,145.05 × 137,858.14
  4. Step 4: Simplify right side
    327,350.07x = 67,708,343,504.82
  5. Step 5: Solve for x
    x = 67,708,343,504.82/327,350.07
  6. Step 6: Final answer
    x = 206,837.72

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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.