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Finding the Fourth Proportional to 207,104.40, 310,656.60 and 185,453.10

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Solution

The fourth proportional to 207,104.40, 310,656.60 and 185,453.10 is: 278,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,104.40 : 310,656.60 = 185,453.10 : x
  2. Step 2: Convert to fraction form
    207,104.40/310,656.60 = 185,453.10/x
  3. Step 3: Cross multiply
    207,104.40x = 310,656.60 × 185,453.10
  4. Step 4: Simplify right side
    207,104.40x = 57,612,229,505.46
  5. Step 5: Solve for x
    x = 57,612,229,505.46/207,104.40
  6. Step 6: Final answer
    x = 278,179.65

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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.