Home / 274,948.32-379,410.72-161,749.20

Finding the Fourth Proportional to 274,948.32, 379,410.72 and 161,749.20

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Solution

The fourth proportional to 274,948.32, 379,410.72 and 161,749.20 is: 223,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,948.32 : 379,410.72 = 161,749.20 : x
  2. Step 2: Convert to fraction form
    274,948.32/379,410.72 = 161,749.20/x
  3. Step 3: Cross multiply
    274,948.32x = 379,410.72 × 161,749.20
  4. Step 4: Simplify right side
    274,948.32x = 61,369,380,431.42
  5. Step 5: Solve for x
    x = 61,369,380,431.42/274,948.32
  6. Step 6: Final answer
    x = 223,203.33

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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.