Home / 258,447.39-356,605.09-150,996.66

Finding the Fourth Proportional to 258,447.39, 356,605.09 and 150,996.66

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Solution

The fourth proportional to 258,447.39, 356,605.09 and 150,996.66 is: 208,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,447.39 : 356,605.09 = 150,996.66 : x
  2. Step 2: Convert to fraction form
    258,447.39/356,605.09 = 150,996.66/x
  3. Step 3: Cross multiply
    258,447.39x = 356,605.09 × 150,996.66
  4. Step 4: Simplify right side
    258,447.39x = 53,846,177,529.00
  5. Step 5: Solve for x
    x = 53,846,177,529.00/258,447.39
  6. Step 6: Final answer
    x = 208,344.83

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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.