Home / 198,263.80-297,396.24-139,362.94

Finding the Fourth Proportional to 198,263.80, 297,396.24 and 139,362.94

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Solution

The fourth proportional to 198,263.80, 297,396.24 and 139,362.94 is: 209,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,263.80 : 297,396.24 = 139,362.94 : x
  2. Step 2: Convert to fraction form
    198,263.80/297,396.24 = 139,362.94/x
  3. Step 3: Cross multiply
    198,263.80x = 297,396.24 × 139,362.94
  4. Step 4: Simplify right side
    198,263.80x = 41,446,014,351.35
  5. Step 5: Solve for x
    x = 41,446,014,351.35/198,263.80
  6. Step 6: Final answer
    x = 209,044.79

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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.