Home / 263,255.40-363,291.04-142,396.56

Finding the Fourth Proportional to 263,255.40, 363,291.04 and 142,396.56

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Solution

The fourth proportional to 263,255.40, 363,291.04 and 142,396.56 is: 196,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,255.40 : 363,291.04 = 142,396.56 : x
  2. Step 2: Convert to fraction form
    263,255.40/363,291.04 = 142,396.56/x
  3. Step 3: Cross multiply
    263,255.40x = 363,291.04 × 142,396.56
  4. Step 4: Simplify right side
    263,255.40x = 51,731,394,374.82
  5. Step 5: Solve for x
    x = 51,731,394,374.82/263,255.40
  6. Step 6: Final answer
    x = 196,506.49

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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.