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Finding the Fourth Proportional to 339,562.88, 468,598.59 and 188,659.88

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Solution

The fourth proportional to 339,562.88, 468,598.59 and 188,659.88 is: 260,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,562.88 : 468,598.59 = 188,659.88 : x
  2. Step 2: Convert to fraction form
    339,562.88/468,598.59 = 188,659.88/x
  3. Step 3: Cross multiply
    339,562.88x = 468,598.59 × 188,659.88
  4. Step 4: Simplify right side
    339,562.88x = 88,405,751,414.58
  5. Step 5: Solve for x
    x = 88,405,751,414.58/339,562.88
  6. Step 6: Final answer
    x = 260,351.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.