Home / 263,305.89-363,360.08-142,446.80

Finding the Fourth Proportional to 263,305.89, 363,360.08 and 142,446.80

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Solution

The fourth proportional to 263,305.89, 363,360.08 and 142,446.80 is: 196,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,305.89 : 363,360.08 = 142,446.80 : x
  2. Step 2: Convert to fraction form
    263,305.89/363,360.08 = 142,446.80/x
  3. Step 3: Cross multiply
    263,305.89x = 363,360.08 × 142,446.80
  4. Step 4: Simplify right side
    263,305.89x = 51,759,481,107.00
  5. Step 5: Solve for x
    x = 51,759,481,107.00/263,305.89
  6. Step 6: Final answer
    x = 196,575.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.