Home / 327,543.89-491,316.08-90,886.79

Finding the Fourth Proportional to 327,543.89, 491,316.08 and 90,886.79

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Solution

The fourth proportional to 327,543.89, 491,316.08 and 90,886.79 is: 136,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,543.89 : 491,316.08 = 90,886.79 : x
  2. Step 2: Convert to fraction form
    327,543.89/491,316.08 = 90,886.79/x
  3. Step 3: Cross multiply
    327,543.89x = 491,316.08 × 90,886.79
  4. Step 4: Simplify right side
    327,543.89x = 44,654,142,160.44
  5. Step 5: Solve for x
    x = 44,654,142,160.44/327,543.89
  6. Step 6: Final answer
    x = 136,330.26

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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.