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Finding the Fourth Proportional to 327,088.80, 490,487.40 and 149,504.40

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Solution

The fourth proportional to 327,088.80, 490,487.40 and 149,504.40 is: 224,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,088.80 : 490,487.40 = 149,504.40 : x
  2. Step 2: Convert to fraction form
    327,088.80/490,487.40 = 149,504.40/x
  3. Step 3: Cross multiply
    327,088.80x = 490,487.40 × 149,504.40
  4. Step 4: Simplify right side
    327,088.80x = 73,330,024,444.56
  5. Step 5: Solve for x
    x = 73,330,024,444.56/327,088.80
  6. Step 6: Final answer
    x = 224,189.96

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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.