Home / 449,581.30-620,510.76-268,202.44

Finding the Fourth Proportional to 449,581.30, 620,510.76 and 268,202.44

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Solution

The fourth proportional to 449,581.30, 620,510.76 and 268,202.44 is: 370,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,581.30 : 620,510.76 = 268,202.44 : x
  2. Step 2: Convert to fraction form
    449,581.30/620,510.76 = 268,202.44/x
  3. Step 3: Cross multiply
    449,581.30x = 620,510.76 × 268,202.44
  4. Step 4: Simplify right side
    449,581.30x = 166,422,499,878.25
  5. Step 5: Solve for x
    x = 166,422,499,878.25/449,581.30
  6. Step 6: Final answer
    x = 370,172.20

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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.