Home / 276,743.80-414,994.20-126,934.30

Finding the Fourth Proportional to 276,743.80, 414,994.20 and 126,934.30

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Solution

The fourth proportional to 276,743.80, 414,994.20 and 126,934.30 is: 190,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,743.80 : 414,994.20 = 126,934.30 : x
  2. Step 2: Convert to fraction form
    276,743.80/414,994.20 = 126,934.30/x
  3. Step 3: Cross multiply
    276,743.80x = 414,994.20 × 126,934.30
  4. Step 4: Simplify right side
    276,743.80x = 52,676,998,281.06
  5. Step 5: Solve for x
    x = 52,676,998,281.06/276,743.80
  6. Step 6: Final answer
    x = 190,345.72

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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.