Home / 198,942.30-298,413.45-159,576.30

Finding the Fourth Proportional to 198,942.30, 298,413.45 and 159,576.30

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Solution

The fourth proportional to 198,942.30, 298,413.45 and 159,576.30 is: 239,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,942.30 : 298,413.45 = 159,576.30 : x
  2. Step 2: Convert to fraction form
    198,942.30/298,413.45 = 159,576.30/x
  3. Step 3: Cross multiply
    198,942.30x = 298,413.45 × 159,576.30
  4. Step 4: Simplify right side
    198,942.30x = 47,619,714,221.24
  5. Step 5: Solve for x
    x = 47,619,714,221.24/198,942.30
  6. Step 6: Final answer
    x = 239,364.45

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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.