Home / 281,977.12-422,976.24-104,528.80

Finding the Fourth Proportional to 281,977.12, 422,976.24 and 104,528.80

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Solution

The fourth proportional to 281,977.12, 422,976.24 and 104,528.80 is: 156,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,977.12 : 422,976.24 = 104,528.80 : x
  2. Step 2: Convert to fraction form
    281,977.12/422,976.24 = 104,528.80/x
  3. Step 3: Cross multiply
    281,977.12x = 422,976.24 × 104,528.80
  4. Step 4: Simplify right side
    281,977.12x = 44,213,198,795.71
  5. Step 5: Solve for x
    x = 44,213,198,795.71/281,977.12
  6. Step 6: Final answer
    x = 156,797.11

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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.