Home / 219,425.81-329,122.29-79,184.44

Finding the Fourth Proportional to 219,425.81, 329,122.29 and 79,184.44

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Solution

The fourth proportional to 219,425.81, 329,122.29 and 79,184.44 is: 118,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,425.81 : 329,122.29 = 79,184.44 : x
  2. Step 2: Convert to fraction form
    219,425.81/329,122.29 = 79,184.44/x
  3. Step 3: Cross multiply
    219,425.81x = 329,122.29 × 79,184.44
  4. Step 4: Simplify right side
    219,425.81x = 26,061,362,636.79
  5. Step 5: Solve for x
    x = 26,061,362,636.79/219,425.81
  6. Step 6: Final answer
    x = 118,770.73

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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.