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Finding the Fourth Proportional to 263,408.74, 363,504.71 and 142,550.91

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Solution

The fourth proportional to 263,408.74, 363,504.71 and 142,550.91 is: 196,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,408.74 : 363,504.71 = 142,550.91 : x
  2. Step 2: Convert to fraction form
    263,408.74/363,504.71 = 142,550.91/x
  3. Step 3: Cross multiply
    263,408.74x = 363,504.71 × 142,550.91
  4. Step 4: Simplify right side
    263,408.74x = 51,817,926,132.88
  5. Step 5: Solve for x
    x = 51,817,926,132.88/263,408.74
  6. Step 6: Final answer
    x = 196,720.60

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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.