Home / 198,730.80-297,993.60-58,471.20

Finding the Fourth Proportional to 198,730.80, 297,993.60 and 58,471.20

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Solution

The fourth proportional to 198,730.80, 297,993.60 and 58,471.20 is: 87,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,730.80 : 297,993.60 = 58,471.20 : x
  2. Step 2: Convert to fraction form
    198,730.80/297,993.60 = 58,471.20/x
  3. Step 3: Cross multiply
    198,730.80x = 297,993.60 × 58,471.20
  4. Step 4: Simplify right side
    198,730.80x = 17,424,043,384.32
  5. Step 5: Solve for x
    x = 17,424,043,384.32/198,730.80
  6. Step 6: Final answer
    x = 87,676.61

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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.