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Finding the Fourth Proportional to 263,604.70, 395,325.28 and 95,103.12

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Solution

The fourth proportional to 263,604.70, 395,325.28 and 95,103.12 is: 142,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,604.70 : 395,325.28 = 95,103.12 : x
  2. Step 2: Convert to fraction form
    263,604.70/395,325.28 = 95,103.12/x
  3. Step 3: Cross multiply
    263,604.70x = 395,325.28 × 95,103.12
  4. Step 4: Simplify right side
    263,604.70x = 37,596,667,305.12
  5. Step 5: Solve for x
    x = 37,596,667,305.12/263,604.70
  6. Step 6: Final answer
    x = 142,625.18

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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.