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Finding the Fourth Proportional to 240,958.36, 332,413.50 and 145,434.52

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Solution

The fourth proportional to 240,958.36, 332,413.50 and 145,434.52 is: 200,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,958.36 : 332,413.50 = 145,434.52 : x
  2. Step 2: Convert to fraction form
    240,958.36/332,413.50 = 145,434.52/x
  3. Step 3: Cross multiply
    240,958.36x = 332,413.50 × 145,434.52
  4. Step 4: Simplify right side
    240,958.36x = 48,344,397,814.02
  5. Step 5: Solve for x
    x = 48,344,397,814.02/240,958.36
  6. Step 6: Final answer
    x = 200,633.83

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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.