Home / 397,692.02-548,815.05-218,844.02

Finding the Fourth Proportional to 397,692.02, 548,815.05 and 218,844.02

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Solution

The fourth proportional to 397,692.02, 548,815.05 and 218,844.02 is: 302,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,692.02 : 548,815.05 = 218,844.02 : x
  2. Step 2: Convert to fraction form
    397,692.02/548,815.05 = 218,844.02/x
  3. Step 3: Cross multiply
    397,692.02x = 548,815.05 × 218,844.02
  4. Step 4: Simplify right side
    397,692.02x = 120,104,891,778.50
  5. Step 5: Solve for x
    x = 120,104,891,778.50/397,692.02
  6. Step 6: Final answer
    x = 302,004.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.