Home / 219,928.60-329,849.70-72,184.60

Finding the Fourth Proportional to 219,928.60, 329,849.70 and 72,184.60

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Solution

The fourth proportional to 219,928.60, 329,849.70 and 72,184.60 is: 108,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,928.60 : 329,849.70 = 72,184.60 : x
  2. Step 2: Convert to fraction form
    219,928.60/329,849.70 = 72,184.60/x
  3. Step 3: Cross multiply
    219,928.60x = 329,849.70 × 72,184.60
  4. Step 4: Simplify right side
    219,928.60x = 23,810,068,654.62
  5. Step 5: Solve for x
    x = 23,810,068,654.62/219,928.60
  6. Step 6: Final answer
    x = 108,262.72

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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.