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Finding the Fourth Proportional to 183,661.20, 274,908.60 and 169,664.40

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Solution

The fourth proportional to 183,661.20, 274,908.60 and 169,664.40 is: 253,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,661.20 : 274,908.60 = 169,664.40 : x
  2. Step 2: Convert to fraction form
    183,661.20/274,908.60 = 169,664.40/x
  3. Step 3: Cross multiply
    183,661.20x = 274,908.60 × 169,664.40
  4. Step 4: Simplify right side
    183,661.20x = 46,642,202,673.84
  5. Step 5: Solve for x
    x = 46,642,202,673.84/183,661.20
  6. Step 6: Final answer
    x = 253,957.85

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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.