Home / 262,514.20-393,317.70-121,984.60

Finding the Fourth Proportional to 262,514.20, 393,317.70 and 121,984.60

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Solution

The fourth proportional to 262,514.20, 393,317.70 and 121,984.60 is: 182,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,514.20 : 393,317.70 = 121,984.60 : x
  2. Step 2: Convert to fraction form
    262,514.20/393,317.70 = 121,984.60/x
  3. Step 3: Cross multiply
    262,514.20x = 393,317.70 × 121,984.60
  4. Step 4: Simplify right side
    262,514.20x = 47,978,702,307.42
  5. Step 5: Solve for x
    x = 47,978,702,307.42/262,514.20
  6. Step 6: Final answer
    x = 182,766.12

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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.