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Finding the Fourth Proportional to 188,594.61, 259,992.41 and 150,015.93

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Solution

The fourth proportional to 188,594.61, 259,992.41 and 150,015.93 is: 206,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,594.61 : 259,992.41 = 150,015.93 : x
  2. Step 2: Convert to fraction form
    188,594.61/259,992.41 = 150,015.93/x
  3. Step 3: Cross multiply
    188,594.61x = 259,992.41 × 150,015.93
  4. Step 4: Simplify right side
    188,594.61x = 39,003,002,429.01
  5. Step 5: Solve for x
    x = 39,003,002,429.01/188,594.61
  6. Step 6: Final answer
    x = 206,808.68

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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.