Home / 234,912.24-352,365.30-57,420.78

Finding the Fourth Proportional to 234,912.24, 352,365.30 and 57,420.78

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Solution

The fourth proportional to 234,912.24, 352,365.30 and 57,420.78 is: 86,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,912.24 : 352,365.30 = 57,420.78 : x
  2. Step 2: Convert to fraction form
    234,912.24/352,365.30 = 57,420.78/x
  3. Step 3: Cross multiply
    234,912.24x = 352,365.30 × 57,420.78
  4. Step 4: Simplify right side
    234,912.24x = 20,233,090,370.93
  5. Step 5: Solve for x
    x = 20,233,090,370.93/234,912.24
  6. Step 6: Final answer
    x = 86,130.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.