Home / 263,311.90-363,369.58-142,453.15

Finding the Fourth Proportional to 263,311.90, 363,369.58 and 142,453.15

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Solution

The fourth proportional to 263,311.90, 363,369.58 and 142,453.15 is: 196,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,311.90 : 363,369.58 = 142,453.15 : x
  2. Step 2: Convert to fraction form
    263,311.90/363,369.58 = 142,453.15/x
  3. Step 3: Cross multiply
    263,311.90x = 363,369.58 × 142,453.15
  4. Step 4: Simplify right side
    263,311.90x = 51,763,140,020.62
  5. Step 5: Solve for x
    x = 51,763,140,020.62/263,311.90
  6. Step 6: Final answer
    x = 196,584.89

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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.