Home / 449,317.32-674,131.50-300,156.36

Finding the Fourth Proportional to 449,317.32, 674,131.50 and 300,156.36

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Solution

The fourth proportional to 449,317.32, 674,131.50 and 300,156.36 is: 450,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,317.32 : 674,131.50 = 300,156.36 : x
  2. Step 2: Convert to fraction form
    449,317.32/674,131.50 = 300,156.36/x
  3. Step 3: Cross multiply
    449,317.32x = 674,131.50 × 300,156.36
  4. Step 4: Simplify right side
    449,317.32x = 202,344,857,201.34
  5. Step 5: Solve for x
    x = 202,344,857,201.34/449,317.32
  6. Step 6: Final answer
    x = 450,338.43

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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.