Home / 185,541.44-278,321.67-52,431.30

Finding the Fourth Proportional to 185,541.44, 278,321.67 and 52,431.30

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Solution

The fourth proportional to 185,541.44, 278,321.67 and 52,431.30 is: 78,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,541.44 : 278,321.67 = 52,431.30 : x
  2. Step 2: Convert to fraction form
    185,541.44/278,321.67 = 52,431.30/x
  3. Step 3: Cross multiply
    185,541.44x = 278,321.67 × 52,431.30
  4. Step 4: Simplify right side
    185,541.44x = 14,592,766,976.27
  5. Step 5: Solve for x
    x = 14,592,766,976.27/185,541.44
  6. Step 6: Final answer
    x = 78,649.64

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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.