Home / 219,905.40-329,469.30-195,022.20

Finding the Fourth Proportional to 219,905.40, 329,469.30 and 195,022.20

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Solution

The fourth proportional to 219,905.40, 329,469.30 and 195,022.20 is: 292,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,905.40 : 329,469.30 = 195,022.20 : x
  2. Step 2: Convert to fraction form
    219,905.40/329,469.30 = 195,022.20/x
  3. Step 3: Cross multiply
    219,905.40x = 329,469.30 × 195,022.20
  4. Step 4: Simplify right side
    219,905.40x = 64,253,827,718.46
  5. Step 5: Solve for x
    x = 64,253,827,718.46/219,905.40
  6. Step 6: Final answer
    x = 292,188.49

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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.