Home / 219,474.70-329,321.40-124,777.60

Finding the Fourth Proportional to 219,474.70, 329,321.40 and 124,777.60

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Solution

The fourth proportional to 219,474.70, 329,321.40 and 124,777.60 is: 187,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,474.70 : 329,321.40 = 124,777.60 : x
  2. Step 2: Convert to fraction form
    219,474.70/329,321.40 = 124,777.60/x
  3. Step 3: Cross multiply
    219,474.70x = 329,321.40 × 124,777.60
  4. Step 4: Simplify right side
    219,474.70x = 41,091,933,920.64
  5. Step 5: Solve for x
    x = 41,091,933,920.64/219,474.70
  6. Step 6: Final answer
    x = 187,228.57

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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.