Home / 263,776.20-395,834.40-145,532.40

Finding the Fourth Proportional to 263,776.20, 395,834.40 and 145,532.40

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Solution

The fourth proportional to 263,776.20, 395,834.40 and 145,532.40 is: 218,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,776.20 : 395,834.40 = 145,532.40 : x
  2. Step 2: Convert to fraction form
    263,776.20/395,834.40 = 145,532.40/x
  3. Step 3: Cross multiply
    263,776.20x = 395,834.40 × 145,532.40
  4. Step 4: Simplify right side
    263,776.20x = 57,606,730,234.56
  5. Step 5: Solve for x
    x = 57,606,730,234.56/263,776.20
  6. Step 6: Final answer
    x = 218,392.45

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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.