Home / 229,759.20-344,649.60-71,992.80

Finding the Fourth Proportional to 229,759.20, 344,649.60 and 71,992.80

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Solution

The fourth proportional to 229,759.20, 344,649.60 and 71,992.80 is: 107,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,759.20 : 344,649.60 = 71,992.80 : x
  2. Step 2: Convert to fraction form
    229,759.20/344,649.60 = 71,992.80/x
  3. Step 3: Cross multiply
    229,759.20x = 344,649.60 × 71,992.80
  4. Step 4: Simplify right side
    229,759.20x = 24,812,289,722.88
  5. Step 5: Solve for x
    x = 24,812,289,722.88/229,759.20
  6. Step 6: Final answer
    x = 107,992.58

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1.5x scale

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.