Home / 324,006.20-486,527.70-219,289.40

Finding the Fourth Proportional to 324,006.20, 486,527.70 and 219,289.40

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Solution

The fourth proportional to 324,006.20, 486,527.70 and 219,289.40 is: 329,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,006.20 : 486,527.70 = 219,289.40 : x
  2. Step 2: Convert to fraction form
    324,006.20/486,527.70 = 219,289.40/x
  3. Step 3: Cross multiply
    324,006.20x = 486,527.70 × 219,289.40
  4. Step 4: Simplify right side
    324,006.20x = 106,690,367,416.38
  5. Step 5: Solve for x
    x = 106,690,367,416.38/324,006.20
  6. Step 6: Final answer
    x = 329,284.96

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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.