Home / 299,461.46-449,788.35-187,340.18

Finding the Fourth Proportional to 299,461.46, 449,788.35 and 187,340.18

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Solution

The fourth proportional to 299,461.46, 449,788.35 and 187,340.18 is: 281,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,461.46 : 449,788.35 = 187,340.18 : x
  2. Step 2: Convert to fraction form
    299,461.46/449,788.35 = 187,340.18/x
  3. Step 3: Cross multiply
    299,461.46x = 449,788.35 × 187,340.18
  4. Step 4: Simplify right side
    299,461.46x = 84,263,430,450.90
  5. Step 5: Solve for x
    x = 84,263,430,450.90/299,461.46
  6. Step 6: Final answer
    x = 281,383.22

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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.