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Finding the Fourth Proportional to 327,429.60, 490,683.60 and 242,527.20

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Solution

The fourth proportional to 327,429.60, 490,683.60 and 242,527.20 is: 363,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,429.60 : 490,683.60 = 242,527.20 : x
  2. Step 2: Convert to fraction form
    327,429.60/490,683.60 = 242,527.20/x
  3. Step 3: Cross multiply
    327,429.60x = 490,683.60 × 242,527.20
  4. Step 4: Simplify right side
    327,429.60x = 119,004,119,593.92
  5. Step 5: Solve for x
    x = 119,004,119,593.92/327,429.60
  6. Step 6: Final answer
    x = 363,449.49

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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.