Home / 274,112.74-378,392.16-166,717.27

Finding the Fourth Proportional to 274,112.74, 378,392.16 and 166,717.27

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Solution

The fourth proportional to 274,112.74, 378,392.16 and 166,717.27 is: 230,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,112.74 : 378,392.16 = 166,717.27 : x
  2. Step 2: Convert to fraction form
    274,112.74/378,392.16 = 166,717.27/x
  3. Step 3: Cross multiply
    274,112.74x = 378,392.16 × 166,717.27
  4. Step 4: Simplify right side
    274,112.74x = 63,084,507,904.60
  5. Step 5: Solve for x
    x = 63,084,507,904.60/274,112.74
  6. Step 6: Final answer
    x = 230,140.74

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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.