Home / 281,986.76-389,234.78-252,093.20

Finding the Fourth Proportional to 281,986.76, 389,234.78 and 252,093.20

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Solution

The fourth proportional to 281,986.76, 389,234.78 and 252,093.20 is: 347,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,986.76 : 389,234.78 = 252,093.20 : x
  2. Step 2: Convert to fraction form
    281,986.76/389,234.78 = 252,093.20/x
  3. Step 3: Cross multiply
    281,986.76x = 389,234.78 × 252,093.20
  4. Step 4: Simplify right side
    281,986.76x = 98,123,439,981.03
  5. Step 5: Solve for x
    x = 98,123,439,981.03/281,986.76
  6. Step 6: Final answer
    x = 347,971.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.