Home / 327,082.60-490,623.90-306,087.40

Finding the Fourth Proportional to 327,082.60, 490,623.90 and 306,087.40

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Solution

The fourth proportional to 327,082.60, 490,623.90 and 306,087.40 is: 459,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,082.60 : 490,623.90 = 306,087.40 : x
  2. Step 2: Convert to fraction form
    327,082.60/490,623.90 = 306,087.40/x
  3. Step 3: Cross multiply
    327,082.60x = 490,623.90 × 306,087.40
  4. Step 4: Simplify right side
    327,082.60x = 150,173,793,928.86
  5. Step 5: Solve for x
    x = 150,173,793,928.86/327,082.60
  6. Step 6: Final answer
    x = 459,131.10

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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.