Home / 263,319.50-363,380.93-142,460.70

Finding the Fourth Proportional to 263,319.50, 363,380.93 and 142,460.70

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Solution

The fourth proportional to 263,319.50, 363,380.93 and 142,460.70 is: 196,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,319.50 : 363,380.93 = 142,460.70 : x
  2. Step 2: Convert to fraction form
    263,319.50/363,380.93 = 142,460.70/x
  3. Step 3: Cross multiply
    263,319.50x = 363,380.93 × 142,460.70
  4. Step 4: Simplify right side
    263,319.50x = 51,767,500,942.15
  5. Step 5: Solve for x
    x = 51,767,500,942.15/263,319.50
  6. Step 6: Final answer
    x = 196,595.78

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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.