Home / 536,837.42-804,665.62-221,122.10

Finding the Fourth Proportional to 536,837.42, 804,665.62 and 221,122.10

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Solution

The fourth proportional to 536,837.42, 804,665.62 and 221,122.10 is: 331,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,837.42 : 804,665.62 = 221,122.10 : x
  2. Step 2: Convert to fraction form
    536,837.42/804,665.62 = 221,122.10/x
  3. Step 3: Cross multiply
    536,837.42x = 804,665.62 × 221,122.10
  4. Step 4: Simplify right side
    536,837.42x = 177,929,351,692.20
  5. Step 5: Solve for x
    x = 177,929,351,692.20/536,837.42
  6. Step 6: Final answer
    x = 331,439.92

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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.