Home / 219,747.60-329,671.80-79,506.36

Finding the Fourth Proportional to 219,747.60, 329,671.80 and 79,506.36

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Solution

The fourth proportional to 219,747.60, 329,671.80 and 79,506.36 is: 119,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,747.60 : 329,671.80 = 79,506.36 : x
  2. Step 2: Convert to fraction form
    219,747.60/329,671.80 = 79,506.36/x
  3. Step 3: Cross multiply
    219,747.60x = 329,671.80 × 79,506.36
  4. Step 4: Simplify right side
    219,747.60x = 26,211,004,812.65
  5. Step 5: Solve for x
    x = 26,211,004,812.65/219,747.60
  6. Step 6: Final answer
    x = 119,277.78

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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.