Home / 274,209.52-378,451.92-166,813.24

Finding the Fourth Proportional to 274,209.52, 378,451.92 and 166,813.24

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Solution

The fourth proportional to 274,209.52, 378,451.92 and 166,813.24 is: 230,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,209.52 : 378,451.92 = 166,813.24 : x
  2. Step 2: Convert to fraction form
    274,209.52/378,451.92 = 166,813.24/x
  3. Step 3: Cross multiply
    274,209.52x = 378,451.92 × 166,813.24
  4. Step 4: Simplify right side
    274,209.52x = 63,130,790,959.42
  5. Step 5: Solve for x
    x = 63,130,790,959.42/274,209.52
  6. Step 6: Final answer
    x = 230,228.30

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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.