Home / 219,664.20-329,496.30-144,868.80

Finding the Fourth Proportional to 219,664.20, 329,496.30 and 144,868.80

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Solution

The fourth proportional to 219,664.20, 329,496.30 and 144,868.80 is: 217,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,664.20 : 329,496.30 = 144,868.80 : x
  2. Step 2: Convert to fraction form
    219,664.20/329,496.30 = 144,868.80/x
  3. Step 3: Cross multiply
    219,664.20x = 329,496.30 × 144,868.80
  4. Step 4: Simplify right side
    219,664.20x = 47,733,733,585.44
  5. Step 5: Solve for x
    x = 47,733,733,585.44/219,664.20
  6. Step 6: Final answer
    x = 217,303.20

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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.