Home / 219,614.20-329,421.30-180,215.80

Finding the Fourth Proportional to 219,614.20, 329,421.30 and 180,215.80

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Solution

The fourth proportional to 219,614.20, 329,421.30 and 180,215.80 is: 270,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,614.20 : 329,421.30 = 180,215.80 : x
  2. Step 2: Convert to fraction form
    219,614.20/329,421.30 = 180,215.80/x
  3. Step 3: Cross multiply
    219,614.20x = 329,421.30 × 180,215.80
  4. Step 4: Simplify right side
    219,614.20x = 59,366,923,116.54
  5. Step 5: Solve for x
    x = 59,366,923,116.54/219,614.20
  6. Step 6: Final answer
    x = 270,323.70

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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.