Home / 214,909.20-322,250.40-72,705.60

Finding the Fourth Proportional to 214,909.20, 322,250.40 and 72,705.60

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Solution

The fourth proportional to 214,909.20, 322,250.40 and 72,705.60 is: 109,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,909.20 : 322,250.40 = 72,705.60 : x
  2. Step 2: Convert to fraction form
    214,909.20/322,250.40 = 72,705.60/x
  3. Step 3: Cross multiply
    214,909.20x = 322,250.40 × 72,705.60
  4. Step 4: Simplify right side
    214,909.20x = 23,429,408,682.24
  5. Step 5: Solve for x
    x = 23,429,408,682.24/214,909.20
  6. Step 6: Final answer
    x = 109,020.04

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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.