Home / 501,141.16-691,581.54-274,786.12

Finding the Fourth Proportional to 501,141.16, 691,581.54 and 274,786.12

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Solution

The fourth proportional to 501,141.16, 691,581.54 and 274,786.12 is: 379,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,141.16 : 691,581.54 = 274,786.12 : x
  2. Step 2: Convert to fraction form
    501,141.16/691,581.54 = 274,786.12/x
  3. Step 3: Cross multiply
    501,141.16x = 691,581.54 × 274,786.12
  4. Step 4: Simplify right side
    501,141.16x = 190,037,008,040.23
  5. Step 5: Solve for x
    x = 190,037,008,040.23/501,141.16
  6. Step 6: Final answer
    x = 379,208.54

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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.