Home / 281,890.60-422,778.52-104,355.41

Finding the Fourth Proportional to 281,890.60, 422,778.52 and 104,355.41

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Solution

The fourth proportional to 281,890.60, 422,778.52 and 104,355.41 is: 156,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,890.60 : 422,778.52 = 104,355.41 : x
  2. Step 2: Convert to fraction form
    281,890.60/422,778.52 = 104,355.41/x
  3. Step 3: Cross multiply
    281,890.60x = 422,778.52 × 104,355.41
  4. Step 4: Simplify right side
    281,890.60x = 44,119,223,810.34
  5. Step 5: Solve for x
    x = 44,119,223,810.34/281,890.60
  6. Step 6: Final answer
    x = 156,511.87

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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.