Home / 185,538.50-278,325.97-52,419.79

Finding the Fourth Proportional to 185,538.50, 278,325.97 and 52,419.79

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Solution

The fourth proportional to 185,538.50, 278,325.97 and 52,419.79 is: 78,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,538.50 : 278,325.97 = 52,419.79 : x
  2. Step 2: Convert to fraction form
    185,538.50/278,325.97 = 52,419.79/x
  3. Step 3: Cross multiply
    185,538.50x = 278,325.97 × 52,419.79
  4. Step 4: Simplify right side
    185,538.50x = 14,589,789,410.67
  5. Step 5: Solve for x
    x = 14,589,789,410.67/185,538.50
  6. Step 6: Final answer
    x = 78,634.84

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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.