Home / 442,923.20-664,449.60-143,352.80

Finding the Fourth Proportional to 442,923.20, 664,449.60 and 143,352.80

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Solution

The fourth proportional to 442,923.20, 664,449.60 and 143,352.80 is: 215,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,923.20 : 664,449.60 = 143,352.80 : x
  2. Step 2: Convert to fraction form
    442,923.20/664,449.60 = 143,352.80/x
  3. Step 3: Cross multiply
    442,923.20x = 664,449.60 × 143,352.80
  4. Step 4: Simplify right side
    442,923.20x = 95,250,710,618.88
  5. Step 5: Solve for x
    x = 95,250,710,618.88/442,923.20
  6. Step 6: Final answer
    x = 215,050.17

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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.