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Finding the Fourth Proportional to 269,426.80, 404,107.80 and 111,638.80

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Solution

The fourth proportional to 269,426.80, 404,107.80 and 111,638.80 is: 167,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,426.80 : 404,107.80 = 111,638.80 : x
  2. Step 2: Convert to fraction form
    269,426.80/404,107.80 = 111,638.80/x
  3. Step 3: Cross multiply
    269,426.80x = 404,107.80 × 111,638.80
  4. Step 4: Simplify right side
    269,426.80x = 45,114,109,862.64
  5. Step 5: Solve for x
    x = 45,114,109,862.64/269,426.80
  6. Step 6: Final answer
    x = 167,444.77

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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.