Home / 274,115.04-378,258-166,670.16

Finding the Fourth Proportional to 274,115.04, 378,258 and 166,670.16

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Solution

The fourth proportional to 274,115.04, 378,258 and 166,670.16 is: 229,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,115.04 : 378,258 = 166,670.16 : x
  2. Step 2: Convert to fraction form
    274,115.04/378,258 = 166,670.16/x
  3. Step 3: Cross multiply
    274,115.04x = 378,258 × 166,670.16
  4. Step 4: Simplify right side
    274,115.04x = 63,044,321,381.28
  5. Step 5: Solve for x
    x = 63,044,321,381.28/274,115.04
  6. Step 6: Final answer
    x = 229,992.20

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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.