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Finding the Fourth Proportional to 269,426.93, 404,140.32 and 91,933.92

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Solution

The fourth proportional to 269,426.93, 404,140.32 and 91,933.92 is: 137,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,426.93 : 404,140.32 = 91,933.92 : x
  2. Step 2: Convert to fraction form
    269,426.93/404,140.32 = 91,933.92/x
  3. Step 3: Cross multiply
    269,426.93x = 404,140.32 × 91,933.92
  4. Step 4: Simplify right side
    269,426.93x = 37,154,203,847.65
  5. Step 5: Solve for x
    x = 37,154,203,847.65/269,426.93
  6. Step 6: Final answer
    x = 137,900.86

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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.