Home / 274,118.36-378,297.78-166,670.60

Finding the Fourth Proportional to 274,118.36, 378,297.78 and 166,670.60

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Solution

The fourth proportional to 274,118.36, 378,297.78 and 166,670.60 is: 230,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,118.36 : 378,297.78 = 166,670.60 : x
  2. Step 2: Convert to fraction form
    274,118.36/378,297.78 = 166,670.60/x
  3. Step 3: Cross multiply
    274,118.36x = 378,297.78 × 166,670.60
  4. Step 4: Simplify right side
    274,118.36x = 63,051,117,971.27
  5. Step 5: Solve for x
    x = 63,051,117,971.27/274,118.36
  6. Step 6: Final answer
    x = 230,014.21

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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.