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Finding the Fourth Proportional to 188,124.48, 259,288.56 and 179,266.32

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Solution

The fourth proportional to 188,124.48, 259,288.56 and 179,266.32 is: 247,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,124.48 : 259,288.56 = 179,266.32 : x
  2. Step 2: Convert to fraction form
    188,124.48/259,288.56 = 179,266.32/x
  3. Step 3: Cross multiply
    188,124.48x = 259,288.56 × 179,266.32
  4. Step 4: Simplify right side
    188,124.48x = 46,481,705,969.30
  5. Step 5: Solve for x
    x = 46,481,705,969.30/188,124.48
  6. Step 6: Final answer
    x = 247,079.52

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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.