Home / 327,541.64-491,312.69-90,884.55

Finding the Fourth Proportional to 327,541.64, 491,312.69 and 90,884.55

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Solution

The fourth proportional to 327,541.64, 491,312.69 and 90,884.55 is: 136,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,541.64 : 491,312.69 = 90,884.55 : x
  2. Step 2: Convert to fraction form
    327,541.64/491,312.69 = 90,884.55/x
  3. Step 3: Cross multiply
    327,541.64x = 491,312.69 × 90,884.55
  4. Step 4: Simplify right side
    327,541.64x = 44,652,731,705.12
  5. Step 5: Solve for x
    x = 44,652,731,705.12/327,541.64
  6. Step 6: Final answer
    x = 136,326.89

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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.