Home / 278,006.58-413,433.52-269,149.23

Finding the Fourth Proportional to 278,006.58, 413,433.52 and 269,149.23

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Solution

The fourth proportional to 278,006.58, 413,433.52 and 269,149.23 is: 400,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,006.58 : 413,433.52 = 269,149.23 : x
  2. Step 2: Convert to fraction form
    278,006.58/413,433.52 = 269,149.23/x
  3. Step 3: Cross multiply
    278,006.58x = 413,433.52 × 269,149.23
  4. Step 4: Simplify right side
    278,006.58x = 111,275,312,891.32
  5. Step 5: Solve for x
    x = 111,275,312,891.32/278,006.58
  6. Step 6: Final answer
    x = 400,261.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.