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Finding the Fourth Proportional to 183,501.88, 274,864 and 138,634.36

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Solution

The fourth proportional to 183,501.88, 274,864 and 138,634.36 is: 207,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,501.88 : 274,864 = 138,634.36 : x
  2. Step 2: Convert to fraction form
    183,501.88/274,864 = 138,634.36/x
  3. Step 3: Cross multiply
    183,501.88x = 274,864 × 138,634.36
  4. Step 4: Simplify right side
    183,501.88x = 38,105,594,727.04
  5. Step 5: Solve for x
    x = 38,105,594,727.04/183,501.88
  6. Step 6: Final answer
    x = 207,657.79

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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.