Home / 204,042.80-306,064.20-154,276.40

Finding the Fourth Proportional to 204,042.80, 306,064.20 and 154,276.40

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Solution

The fourth proportional to 204,042.80, 306,064.20 and 154,276.40 is: 231,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,042.80 : 306,064.20 = 154,276.40 : x
  2. Step 2: Convert to fraction form
    204,042.80/306,064.20 = 154,276.40/x
  3. Step 3: Cross multiply
    204,042.80x = 306,064.20 × 154,276.40
  4. Step 4: Simplify right side
    204,042.80x = 47,218,482,944.88
  5. Step 5: Solve for x
    x = 47,218,482,944.88/204,042.80
  6. Step 6: Final answer
    x = 231,414.60

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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.