Home / 258,625.70-356,900.04-145,448.45

Finding the Fourth Proportional to 258,625.70, 356,900.04 and 145,448.45

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Solution

The fourth proportional to 258,625.70, 356,900.04 and 145,448.45 is: 200,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,625.70 : 356,900.04 = 145,448.45 : x
  2. Step 2: Convert to fraction form
    258,625.70/356,900.04 = 145,448.45/x
  3. Step 3: Cross multiply
    258,625.70x = 356,900.04 × 145,448.45
  4. Step 4: Simplify right side
    258,625.70x = 51,910,557,622.94
  5. Step 5: Solve for x
    x = 51,910,557,622.94/258,625.70
  6. Step 6: Final answer
    x = 200,716.93

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1.5x scale

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.