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Finding the Fourth Proportional to 219,739, 329,413.02 and 79,466.44

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Solution

The fourth proportional to 219,739, 329,413.02 and 79,466.44 is: 119,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739 : 329,413.02 = 79,466.44 : x
  2. Step 2: Convert to fraction form
    219,739/329,413.02 = 79,466.44/x
  3. Step 3: Cross multiply
    219,739x = 329,413.02 × 79,466.44
  4. Step 4: Simplify right side
    219,739x = 26,177,279,989.05
  5. Step 5: Solve for x
    x = 26,177,279,989.05/219,739
  6. Step 6: Final answer
    x = 119,128.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.