Home / 324,788.28-487,307.22-228,817.74

Finding the Fourth Proportional to 324,788.28, 487,307.22 and 228,817.74

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Solution

The fourth proportional to 324,788.28, 487,307.22 and 228,817.74 is: 343,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,788.28 : 487,307.22 = 228,817.74 : x
  2. Step 2: Convert to fraction form
    324,788.28/487,307.22 = 228,817.74/x
  3. Step 3: Cross multiply
    324,788.28x = 487,307.22 × 228,817.74
  4. Step 4: Simplify right side
    324,788.28x = 111,504,536,766.08
  5. Step 5: Solve for x
    x = 111,504,536,766.08/324,788.28
  6. Step 6: Final answer
    x = 343,314.53

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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.