Home / 219,622.70-329,434.05-144,827.30

Finding the Fourth Proportional to 219,622.70, 329,434.05 and 144,827.30

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Solution

The fourth proportional to 219,622.70, 329,434.05 and 144,827.30 is: 217,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,622.70 : 329,434.05 = 144,827.30 : x
  2. Step 2: Convert to fraction form
    219,622.70/329,434.05 = 144,827.30/x
  3. Step 3: Cross multiply
    219,622.70x = 329,434.05 × 144,827.30
  4. Step 4: Simplify right side
    219,622.70x = 47,711,043,989.57
  5. Step 5: Solve for x
    x = 47,711,043,989.57/219,622.70
  6. Step 6: Final answer
    x = 217,240.95

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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.