Home / 327,853.59-491,737.32-103,215.20

Finding the Fourth Proportional to 327,853.59, 491,737.32 and 103,215.20

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Solution

The fourth proportional to 327,853.59, 491,737.32 and 103,215.20 is: 154,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,853.59 : 491,737.32 = 103,215.20 : x
  2. Step 2: Convert to fraction form
    327,853.59/491,737.32 = 103,215.20/x
  3. Step 3: Cross multiply
    327,853.59x = 491,737.32 × 103,215.20
  4. Step 4: Simplify right side
    327,853.59x = 50,754,765,315.19
  5. Step 5: Solve for x
    x = 50,754,765,315.19/327,853.59
  6. Step 6: Final answer
    x = 154,809.24

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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.