Home / 263,408.55-363,504.94-142,549.85

Finding the Fourth Proportional to 263,408.55, 363,504.94 and 142,549.85

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Solution

The fourth proportional to 263,408.55, 363,504.94 and 142,549.85 is: 196,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,408.55 : 363,504.94 = 142,549.85 : x
  2. Step 2: Convert to fraction form
    263,408.55/363,504.94 = 142,549.85/x
  3. Step 3: Cross multiply
    263,408.55x = 363,504.94 × 142,549.85
  4. Step 4: Simplify right side
    263,408.55x = 51,817,572,853.73
  5. Step 5: Solve for x
    x = 51,817,572,853.73/263,408.55
  6. Step 6: Final answer
    x = 196,719.40

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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.