Home / 221,025.60-331,503.20-73,281.60

Finding the Fourth Proportional to 221,025.60, 331,503.20 and 73,281.60

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Solution

The fourth proportional to 221,025.60, 331,503.20 and 73,281.60 is: 109,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,025.60 : 331,503.20 = 73,281.60 : x
  2. Step 2: Convert to fraction form
    221,025.60/331,503.20 = 73,281.60/x
  3. Step 3: Cross multiply
    221,025.60x = 331,503.20 × 73,281.60
  4. Step 4: Simplify right side
    221,025.60x = 24,293,084,901.12
  5. Step 5: Solve for x
    x = 24,293,084,901.12/221,025.60
  6. Step 6: Final answer
    x = 109,910.73

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1.5x scale

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.