Home / 263,814.48-395,715.24-76,827.60

Finding the Fourth Proportional to 263,814.48, 395,715.24 and 76,827.60

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Solution

The fourth proportional to 263,814.48, 395,715.24 and 76,827.60 is: 115,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,814.48 : 395,715.24 = 76,827.60 : x
  2. Step 2: Convert to fraction form
    263,814.48/395,715.24 = 76,827.60/x
  3. Step 3: Cross multiply
    263,814.48x = 395,715.24 × 76,827.60
  4. Step 4: Simplify right side
    263,814.48x = 30,401,852,172.62
  5. Step 5: Solve for x
    x = 30,401,852,172.62/263,814.48
  6. Step 6: Final answer
    x = 115,239.51

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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.