Home / 324,008.20-486,530.70-219,291.40

Finding the Fourth Proportional to 324,008.20, 486,530.70 and 219,291.40

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Solution

The fourth proportional to 324,008.20, 486,530.70 and 219,291.40 is: 329,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,008.20 : 486,530.70 = 219,291.40 : x
  2. Step 2: Convert to fraction form
    324,008.20/486,530.70 = 219,291.40/x
  3. Step 3: Cross multiply
    324,008.20x = 486,530.70 × 219,291.40
  4. Step 4: Simplify right side
    324,008.20x = 106,691,998,345.98
  5. Step 5: Solve for x
    x = 106,691,998,345.98/324,008.20
  6. Step 6: Final answer
    x = 329,287.96

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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.