Home / 330,189.02-495,311.16-105,581.42

Finding the Fourth Proportional to 330,189.02, 495,311.16 and 105,581.42

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Solution

The fourth proportional to 330,189.02, 495,311.16 and 105,581.42 is: 158,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,189.02 : 495,311.16 = 105,581.42 : x
  2. Step 2: Convert to fraction form
    330,189.02/495,311.16 = 105,581.42/x
  3. Step 3: Cross multiply
    330,189.02x = 495,311.16 × 105,581.42
  4. Step 4: Simplify right side
    330,189.02x = 52,295,655,614.65
  5. Step 5: Solve for x
    x = 52,295,655,614.65/330,189.02
  6. Step 6: Final answer
    x = 158,380.96

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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.