Home / 219,739.33-329,641.89-79,530.76

Finding the Fourth Proportional to 219,739.33, 329,641.89 and 79,530.76

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Solution

The fourth proportional to 219,739.33, 329,641.89 and 79,530.76 is: 119,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739.33 : 329,641.89 = 79,530.76 : x
  2. Step 2: Convert to fraction form
    219,739.33/329,641.89 = 79,530.76/x
  3. Step 3: Cross multiply
    219,739.33x = 329,641.89 × 79,530.76
  4. Step 4: Simplify right side
    219,739.33x = 26,216,668,746.47
  5. Step 5: Solve for x
    x = 26,216,668,746.47/219,739.33
  6. Step 6: Final answer
    x = 119,308.04

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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.