Home / 263,408.39-363,504.23-142,550.56

Finding the Fourth Proportional to 263,408.39, 363,504.23 and 142,550.56

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Solution

The fourth proportional to 263,408.39, 363,504.23 and 142,550.56 is: 196,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,408.39 : 363,504.23 = 142,550.56 : x
  2. Step 2: Convert to fraction form
    263,408.39/363,504.23 = 142,550.56/x
  3. Step 3: Cross multiply
    263,408.39x = 363,504.23 × 142,550.56
  4. Step 4: Simplify right side
    263,408.39x = 51,817,730,061.00
  5. Step 5: Solve for x
    x = 51,817,730,061.00/263,408.39
  6. Step 6: Final answer
    x = 196,720.12

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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.