Home / 327,589.16-491,386.48-90,950.29

Finding the Fourth Proportional to 327,589.16, 491,386.48 and 90,950.29

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Solution

The fourth proportional to 327,589.16, 491,386.48 and 90,950.29 is: 136,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,589.16 : 491,386.48 = 90,950.29 : x
  2. Step 2: Convert to fraction form
    327,589.16/491,386.48 = 90,950.29/x
  3. Step 3: Cross multiply
    327,589.16x = 491,386.48 × 90,950.29
  4. Step 4: Simplify right side
    327,589.16x = 44,691,742,858.08
  5. Step 5: Solve for x
    x = 44,691,742,858.08/327,589.16
  6. Step 6: Final answer
    x = 136,426.20

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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.