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Finding the Fourth Proportional to 269,055.92, 370,909.32 and 188,233.04

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Solution

The fourth proportional to 269,055.92, 370,909.32 and 188,233.04 is: 259,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,055.92 : 370,909.32 = 188,233.04 : x
  2. Step 2: Convert to fraction form
    269,055.92/370,909.32 = 188,233.04/x
  3. Step 3: Cross multiply
    269,055.92x = 370,909.32 × 188,233.04
  4. Step 4: Simplify right side
    269,055.92x = 69,817,388,867.93
  5. Step 5: Solve for x
    x = 69,817,388,867.93/269,055.92
  6. Step 6: Final answer
    x = 259,490.25

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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.