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Finding the Fourth Proportional to 449,704.37, 620,593.65 and 245,758.42

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Solution

The fourth proportional to 449,704.37, 620,593.65 and 245,758.42 is: 339,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,704.37 : 620,593.65 = 245,758.42 : x
  2. Step 2: Convert to fraction form
    449,704.37/620,593.65 = 245,758.42/x
  3. Step 3: Cross multiply
    449,704.37x = 620,593.65 × 245,758.42
  4. Step 4: Simplify right side
    449,704.37x = 152,516,111,783.07
  5. Step 5: Solve for x
    x = 152,516,111,783.07/449,704.37
  6. Step 6: Final answer
    x = 339,147.50

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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.