Home / 449,949.58-620,942.15-246,009.10

Finding the Fourth Proportional to 449,949.58, 620,942.15 and 246,009.10

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Solution

The fourth proportional to 449,949.58, 620,942.15 and 246,009.10 is: 339,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,949.58 : 620,942.15 = 246,009.10 : x
  2. Step 2: Convert to fraction form
    449,949.58/620,942.15 = 246,009.10/x
  3. Step 3: Cross multiply
    449,949.58x = 620,942.15 × 246,009.10
  4. Step 4: Simplify right side
    449,949.58x = 152,757,419,700.50
  5. Step 5: Solve for x
    x = 152,757,419,700.50/449,949.58
  6. Step 6: Final answer
    x = 339,498.97

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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.