Home / 258,197.94-356,306.03-143,473.62

Finding the Fourth Proportional to 258,197.94, 356,306.03 and 143,473.62

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Solution

The fourth proportional to 258,197.94, 356,306.03 and 143,473.62 is: 197,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,197.94 : 356,306.03 = 143,473.62 : x
  2. Step 2: Convert to fraction form
    258,197.94/356,306.03 = 143,473.62/x
  3. Step 3: Cross multiply
    258,197.94x = 356,306.03 × 143,473.62
  4. Step 4: Simplify right side
    258,197.94x = 51,120,515,951.93
  5. Step 5: Solve for x
    x = 51,120,515,951.93/258,197.94
  6. Step 6: Final answer
    x = 197,989.64

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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.