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Finding the Fourth Proportional to 220,084.44, 330,148.52 and 79,854

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Solution

The fourth proportional to 220,084.44, 330,148.52 and 79,854 is: 119,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,084.44 : 330,148.52 = 79,854 : x
  2. Step 2: Convert to fraction form
    220,084.44/330,148.52 = 79,854/x
  3. Step 3: Cross multiply
    220,084.44x = 330,148.52 × 79,854
  4. Step 4: Simplify right side
    220,084.44x = 26,363,679,916.08
  5. Step 5: Solve for x
    x = 26,363,679,916.08/220,084.44
  6. Step 6: Final answer
    x = 119,788.93

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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.