Home / 269,378.50-404,221.83-136,269.58

Finding the Fourth Proportional to 269,378.50, 404,221.83 and 136,269.58

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Solution

The fourth proportional to 269,378.50, 404,221.83 and 136,269.58 is: 204,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,378.50 : 404,221.83 = 136,269.58 : x
  2. Step 2: Convert to fraction form
    269,378.50/404,221.83 = 136,269.58/x
  3. Step 3: Cross multiply
    269,378.50x = 404,221.83 × 136,269.58
  4. Step 4: Simplify right side
    269,378.50x = 55,083,139,000.93
  5. Step 5: Solve for x
    x = 55,083,139,000.93/269,378.50
  6. Step 6: Final answer
    x = 204,482.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.