Home / 220,836.20-331,259.72-80,594.80

Finding the Fourth Proportional to 220,836.20, 331,259.72 and 80,594.80

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Solution

The fourth proportional to 220,836.20, 331,259.72 and 80,594.80 is: 120,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,836.20 : 331,259.72 = 80,594.80 : x
  2. Step 2: Convert to fraction form
    220,836.20/331,259.72 = 80,594.80/x
  3. Step 3: Cross multiply
    220,836.20x = 331,259.72 × 80,594.80
  4. Step 4: Simplify right side
    220,836.20x = 26,697,810,881.46
  5. Step 5: Solve for x
    x = 26,697,810,881.46/220,836.20
  6. Step 6: Final answer
    x = 120,894.18

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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.