Home / 219,430.20-329,145.30-194,935.80

Finding the Fourth Proportional to 219,430.20, 329,145.30 and 194,935.80

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Solution

The fourth proportional to 219,430.20, 329,145.30 and 194,935.80 is: 292,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,430.20 : 329,145.30 = 194,935.80 : x
  2. Step 2: Convert to fraction form
    219,430.20/329,145.30 = 194,935.80/x
  3. Step 3: Cross multiply
    219,430.20x = 329,145.30 × 194,935.80
  4. Step 4: Simplify right side
    219,430.20x = 64,162,202,371.74
  5. Step 5: Solve for x
    x = 64,162,202,371.74/219,430.20
  6. Step 6: Final answer
    x = 292,403.70

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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.