Home / 207,004.60-309,729.30-188,342.20

Finding the Fourth Proportional to 207,004.60, 309,729.30 and 188,342.20

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Solution

The fourth proportional to 207,004.60, 309,729.30 and 188,342.20 is: 281,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,004.60 : 309,729.30 = 188,342.20 : x
  2. Step 2: Convert to fraction form
    207,004.60/309,729.30 = 188,342.20/x
  3. Step 3: Cross multiply
    207,004.60x = 309,729.30 × 188,342.20
  4. Step 4: Simplify right side
    207,004.60x = 58,335,097,766.46
  5. Step 5: Solve for x
    x = 58,335,097,766.46/207,004.60
  6. Step 6: Final answer
    x = 281,805.80

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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.