Home / 262,556.20-393,380.70-122,026.60

Finding the Fourth Proportional to 262,556.20, 393,380.70 and 122,026.60

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Solution

The fourth proportional to 262,556.20, 393,380.70 and 122,026.60 is: 182,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,556.20 : 393,380.70 = 122,026.60 : x
  2. Step 2: Convert to fraction form
    262,556.20/393,380.70 = 122,026.60/x
  3. Step 3: Cross multiply
    262,556.20x = 393,380.70 × 122,026.60
  4. Step 4: Simplify right side
    262,556.20x = 48,002,909,326.62
  5. Step 5: Solve for x
    x = 48,002,909,326.62/262,556.20
  6. Step 6: Final answer
    x = 182,829.08

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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.