Home / 274,537.56-378,857.08-152,027.51

Finding the Fourth Proportional to 274,537.56, 378,857.08 and 152,027.51

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Solution

The fourth proportional to 274,537.56, 378,857.08 and 152,027.51 is: 209,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,537.56 : 378,857.08 = 152,027.51 : x
  2. Step 2: Convert to fraction form
    274,537.56/378,857.08 = 152,027.51/x
  3. Step 3: Cross multiply
    274,537.56x = 378,857.08 × 152,027.51
  4. Step 4: Simplify right side
    274,537.56x = 57,596,695,958.87
  5. Step 5: Solve for x
    x = 57,596,695,958.87/274,537.56
  6. Step 6: Final answer
    x = 209,795.32

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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.