Home / 269,815.40-404,723.10-225,856.70

Finding the Fourth Proportional to 269,815.40, 404,723.10 and 225,856.70

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Solution

The fourth proportional to 269,815.40, 404,723.10 and 225,856.70 is: 338,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,815.40 : 404,723.10 = 225,856.70 : x
  2. Step 2: Convert to fraction form
    269,815.40/404,723.10 = 225,856.70/x
  3. Step 3: Cross multiply
    269,815.40x = 404,723.10 × 225,856.70
  4. Step 4: Simplify right side
    269,815.40x = 91,409,423,779.77
  5. Step 5: Solve for x
    x = 91,409,423,779.77/269,815.40
  6. Step 6: Final answer
    x = 338,785.05

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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.