Home / 330,531.60-495,450.84-161,819.28

Finding the Fourth Proportional to 330,531.60, 495,450.84 and 161,819.28

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Solution

The fourth proportional to 330,531.60, 495,450.84 and 161,819.28 is: 242,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,531.60 : 495,450.84 = 161,819.28 : x
  2. Step 2: Convert to fraction form
    330,531.60/495,450.84 = 161,819.28/x
  3. Step 3: Cross multiply
    330,531.60x = 495,450.84 × 161,819.28
  4. Step 4: Simplify right side
    330,531.60x = 80,173,498,204.20
  5. Step 5: Solve for x
    x = 80,173,498,204.20/330,531.60
  6. Step 6: Final answer
    x = 242,559.25

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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.