Home / 209,344.28-314,149.62-76,211.60

Finding the Fourth Proportional to 209,344.28, 314,149.62 and 76,211.60

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Solution

The fourth proportional to 209,344.28, 314,149.62 and 76,211.60 is: 114,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,344.28 : 314,149.62 = 76,211.60 : x
  2. Step 2: Convert to fraction form
    209,344.28/314,149.62 = 76,211.60/x
  3. Step 3: Cross multiply
    209,344.28x = 314,149.62 × 76,211.60
  4. Step 4: Simplify right side
    209,344.28x = 23,941,845,179.59
  5. Step 5: Solve for x
    x = 23,941,845,179.59/209,344.28
  6. Step 6: Final answer
    x = 114,365.89

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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.