Home / 258,351.50-356,558.48-145,174.26

Finding the Fourth Proportional to 258,351.50, 356,558.48 and 145,174.26

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Solution

The fourth proportional to 258,351.50, 356,558.48 and 145,174.26 is: 200,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,351.50 : 356,558.48 = 145,174.26 : x
  2. Step 2: Convert to fraction form
    258,351.50/356,558.48 = 145,174.26/x
  3. Step 3: Cross multiply
    258,351.50x = 356,558.48 × 145,174.26
  4. Step 4: Simplify right side
    258,351.50x = 51,763,113,480.72
  5. Step 5: Solve for x
    x = 51,763,113,480.72/258,351.50
  6. Step 6: Final answer
    x = 200,359.25

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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.