Home / 276,742.80-414,992.70-126,933.30

Finding the Fourth Proportional to 276,742.80, 414,992.70 and 126,933.30

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Solution

The fourth proportional to 276,742.80, 414,992.70 and 126,933.30 is: 190,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,742.80 : 414,992.70 = 126,933.30 : x
  2. Step 2: Convert to fraction form
    276,742.80/414,992.70 = 126,933.30/x
  3. Step 3: Cross multiply
    276,742.80x = 414,992.70 × 126,933.30
  4. Step 4: Simplify right side
    276,742.80x = 52,676,392,886.91
  5. Step 5: Solve for x
    x = 52,676,392,886.91/276,742.80
  6. Step 6: Final answer
    x = 190,344.22

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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.