Home / 198,574.93-298,010.05-80,247.29

Finding the Fourth Proportional to 198,574.93, 298,010.05 and 80,247.29

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Solution

The fourth proportional to 198,574.93, 298,010.05 and 80,247.29 is: 120,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,574.93 : 298,010.05 = 80,247.29 : x
  2. Step 2: Convert to fraction form
    198,574.93/298,010.05 = 80,247.29/x
  3. Step 3: Cross multiply
    198,574.93x = 298,010.05 × 80,247.29
  4. Step 4: Simplify right side
    198,574.93x = 23,914,498,905.26
  5. Step 5: Solve for x
    x = 23,914,498,905.26/198,574.93
  6. Step 6: Final answer
    x = 120,430.60

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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.