Home / 263,490.93-395,247.33-76,502.43

Finding the Fourth Proportional to 263,490.93, 395,247.33 and 76,502.43

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Solution

The fourth proportional to 263,490.93, 395,247.33 and 76,502.43 is: 114,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,490.93 : 395,247.33 = 76,502.43 : x
  2. Step 2: Convert to fraction form
    263,490.93/395,247.33 = 76,502.43/x
  3. Step 3: Cross multiply
    263,490.93x = 395,247.33 × 76,502.43
  4. Step 4: Simplify right side
    263,490.93x = 30,237,381,196.01
  5. Step 5: Solve for x
    x = 30,237,381,196.01/263,490.93
  6. Step 6: Final answer
    x = 114,756.82

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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.