Home / 327,289.23-490,928.92-147,247.51

Finding the Fourth Proportional to 327,289.23, 490,928.92 and 147,247.51

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Solution

The fourth proportional to 327,289.23, 490,928.92 and 147,247.51 is: 220,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,289.23 : 490,928.92 = 147,247.51 : x
  2. Step 2: Convert to fraction form
    327,289.23/490,928.92 = 147,247.51/x
  3. Step 3: Cross multiply
    327,289.23x = 490,928.92 × 147,247.51
  4. Step 4: Simplify right side
    327,289.23x = 72,288,061,056.99
  5. Step 5: Solve for x
    x = 72,288,061,056.99/327,289.23
  6. Step 6: Final answer
    x = 220,869.05

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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.