Home / 324,788.28-487,280.82-147,247.62

Finding the Fourth Proportional to 324,788.28, 487,280.82 and 147,247.62

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Solution

The fourth proportional to 324,788.28, 487,280.82 and 147,247.62 is: 220,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,788.28 : 487,280.82 = 147,247.62 : x
  2. Step 2: Convert to fraction form
    324,788.28/487,280.82 = 147,247.62/x
  3. Step 3: Cross multiply
    324,788.28x = 487,280.82 × 147,247.62
  4. Step 4: Simplify right side
    324,788.28x = 71,750,941,016.65
  5. Step 5: Solve for x
    x = 71,750,941,016.65/324,788.28
  6. Step 6: Final answer
    x = 220,916.04

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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.