Home / 353,197.20-530,015.04-142,836.96

Finding the Fourth Proportional to 353,197.20, 530,015.04 and 142,836.96

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Solution

The fourth proportional to 353,197.20, 530,015.04 and 142,836.96 is: 214,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,197.20 : 530,015.04 = 142,836.96 : x
  2. Step 2: Convert to fraction form
    353,197.20/530,015.04 = 142,836.96/x
  3. Step 3: Cross multiply
    353,197.20x = 530,015.04 × 142,836.96
  4. Step 4: Simplify right side
    353,197.20x = 75,705,737,067.88
  5. Step 5: Solve for x
    x = 75,705,737,067.88/353,197.20
  6. Step 6: Final answer
    x = 214,344.10

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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.