Home / 274,106.10-378,245.52-166,661.22

Finding the Fourth Proportional to 274,106.10, 378,245.52 and 166,661.22

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Solution

The fourth proportional to 274,106.10, 378,245.52 and 166,661.22 is: 229,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,106.10 : 378,245.52 = 166,661.22 : x
  2. Step 2: Convert to fraction form
    274,106.10/378,245.52 = 166,661.22/x
  3. Step 3: Cross multiply
    274,106.10x = 378,245.52 × 166,661.22
  4. Step 4: Simplify right side
    274,106.10x = 63,038,859,822.73
  5. Step 5: Solve for x
    x = 63,038,859,822.73/274,106.10
  6. Step 6: Final answer
    x = 229,979.78

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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.