Home / 327,877.44-491,551.02-138,215.34

Finding the Fourth Proportional to 327,877.44, 491,551.02 and 138,215.34

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Solution

The fourth proportional to 327,877.44, 491,551.02 and 138,215.34 is: 207,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,877.44 : 491,551.02 = 138,215.34 : x
  2. Step 2: Convert to fraction form
    327,877.44/491,551.02 = 138,215.34/x
  3. Step 3: Cross multiply
    327,877.44x = 491,551.02 × 138,215.34
  4. Step 4: Simplify right side
    327,877.44x = 67,939,891,356.65
  5. Step 5: Solve for x
    x = 67,939,891,356.65/327,877.44
  6. Step 6: Final answer
    x = 207,211.24

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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.