Home / 281,110.22-387,932.58-166,481.34

Finding the Fourth Proportional to 281,110.22, 387,932.58 and 166,481.34

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Solution

The fourth proportional to 281,110.22, 387,932.58 and 166,481.34 is: 229,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,110.22 : 387,932.58 = 166,481.34 : x
  2. Step 2: Convert to fraction form
    281,110.22/387,932.58 = 166,481.34/x
  3. Step 3: Cross multiply
    281,110.22x = 387,932.58 × 166,481.34
  4. Step 4: Simplify right side
    281,110.22x = 64,583,535,748.06
  5. Step 5: Solve for x
    x = 64,583,535,748.06/281,110.22
  6. Step 6: Final answer
    x = 229,744.53

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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.