Home / 258,650.40-356,735-168,035.36

Finding the Fourth Proportional to 258,650.40, 356,735 and 168,035.36

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Solution

The fourth proportional to 258,650.40, 356,735 and 168,035.36 is: 231,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,650.40 : 356,735 = 168,035.36 : x
  2. Step 2: Convert to fraction form
    258,650.40/356,735 = 168,035.36/x
  3. Step 3: Cross multiply
    258,650.40x = 356,735 × 168,035.36
  4. Step 4: Simplify right side
    258,650.40x = 59,944,094,149.60
  5. Step 5: Solve for x
    x = 59,944,094,149.60/258,650.40
  6. Step 6: Final answer
    x = 231,757.21

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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.