Home / 269,439.22-404,218.16-79,914.41

Finding the Fourth Proportional to 269,439.22, 404,218.16 and 79,914.41

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Solution

The fourth proportional to 269,439.22, 404,218.16 and 79,914.41 is: 119,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,439.22 : 404,218.16 = 79,914.41 : x
  2. Step 2: Convert to fraction form
    269,439.22/404,218.16 = 79,914.41/x
  3. Step 3: Cross multiply
    269,439.22x = 404,218.16 × 79,914.41
  4. Step 4: Simplify right side
    269,439.22x = 32,302,855,767.69
  5. Step 5: Solve for x
    x = 32,302,855,767.69/269,439.22
  6. Step 6: Final answer
    x = 119,889.21

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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.