Home / 204,246.40-306,619.20-115,561.60

Finding the Fourth Proportional to 204,246.40, 306,619.20 and 115,561.60

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Solution

The fourth proportional to 204,246.40, 306,619.20 and 115,561.60 is: 173,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,246.40 : 306,619.20 = 115,561.60 : x
  2. Step 2: Convert to fraction form
    204,246.40/306,619.20 = 115,561.60/x
  3. Step 3: Cross multiply
    204,246.40x = 306,619.20 × 115,561.60
  4. Step 4: Simplify right side
    204,246.40x = 35,433,405,342.72
  5. Step 5: Solve for x
    x = 35,433,405,342.72/204,246.40
  6. Step 6: Final answer
    x = 173,483.62

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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.