Home / 327,454.30-491,330.49-158,883.58

Finding the Fourth Proportional to 327,454.30, 491,330.49 and 158,883.58

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Solution

The fourth proportional to 327,454.30, 491,330.49 and 158,883.58 is: 238,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,454.30 : 491,330.49 = 158,883.58 : x
  2. Step 2: Convert to fraction form
    327,454.30/491,330.49 = 158,883.58/x
  3. Step 3: Cross multiply
    327,454.30x = 491,330.49 × 158,883.58
  4. Step 4: Simplify right side
    327,454.30x = 78,064,347,214.35
  5. Step 5: Solve for x
    x = 78,064,347,214.35/327,454.30
  6. Step 6: Final answer
    x = 238,397.69

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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.