Home / 227,734.60-340,824.30-209,072.20

Finding the Fourth Proportional to 227,734.60, 340,824.30 and 209,072.20

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Solution

The fourth proportional to 227,734.60, 340,824.30 and 209,072.20 is: 312,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,734.60 : 340,824.30 = 209,072.20 : x
  2. Step 2: Convert to fraction form
    227,734.60/340,824.30 = 209,072.20/x
  3. Step 3: Cross multiply
    227,734.60x = 340,824.30 × 209,072.20
  4. Step 4: Simplify right side
    227,734.60x = 71,256,886,214.46
  5. Step 5: Solve for x
    x = 71,256,886,214.46/227,734.60
  6. Step 6: Final answer
    x = 312,894.42

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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.