Home / 327,657.15-491,485.92-90,999.81

Finding the Fourth Proportional to 327,657.15, 491,485.92 and 90,999.81

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Solution

The fourth proportional to 327,657.15, 491,485.92 and 90,999.81 is: 136,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,657.15 : 491,485.92 = 90,999.81 : x
  2. Step 2: Convert to fraction form
    327,657.15/491,485.92 = 90,999.81/x
  3. Step 3: Cross multiply
    327,657.15x = 491,485.92 × 90,999.81
  4. Step 4: Simplify right side
    327,657.15x = 44,725,125,337.68
  5. Step 5: Solve for x
    x = 44,725,125,337.68/327,657.15
  6. Step 6: Final answer
    x = 136,499.77

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Similar ratio
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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.