Home / 276,349.20-414,443.16-126,504.72

Finding the Fourth Proportional to 276,349.20, 414,443.16 and 126,504.72

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Solution

The fourth proportional to 276,349.20, 414,443.16 and 126,504.72 is: 189,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,349.20 : 414,443.16 = 126,504.72 : x
  2. Step 2: Convert to fraction form
    276,349.20/414,443.16 = 126,504.72/x
  3. Step 3: Cross multiply
    276,349.20x = 414,443.16 × 126,504.72
  4. Step 4: Simplify right side
    276,349.20x = 52,429,015,911.72
  5. Step 5: Solve for x
    x = 52,429,015,911.72/276,349.20
  6. Step 6: Final answer
    x = 189,720.17

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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.