Home / 218,944.60-328,028.10-204,947.80

Finding the Fourth Proportional to 218,944.60, 328,028.10 and 204,947.80

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Solution

The fourth proportional to 218,944.60, 328,028.10 and 204,947.80 is: 307,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.60 : 328,028.10 = 204,947.80 : x
  2. Step 2: Convert to fraction form
    218,944.60/328,028.10 = 204,947.80/x
  3. Step 3: Cross multiply
    218,944.60x = 328,028.10 × 204,947.80
  4. Step 4: Simplify right side
    218,944.60x = 67,228,637,433.18
  5. Step 5: Solve for x
    x = 67,228,637,433.18/218,944.60
  6. Step 6: Final answer
    x = 307,057.76

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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.