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Finding the Fourth Proportional to 449,737.38, 620,645.76 and 245,796.96

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Solution

The fourth proportional to 449,737.38, 620,645.76 and 245,796.96 is: 339,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,737.38 : 620,645.76 = 245,796.96 : x
  2. Step 2: Convert to fraction form
    449,737.38/620,645.76 = 245,796.96/x
  3. Step 3: Cross multiply
    449,737.38x = 620,645.76 × 245,796.96
  4. Step 4: Simplify right side
    449,737.38x = 152,552,841,044.89
  5. Step 5: Solve for x
    x = 152,552,841,044.89/449,737.38
  6. Step 6: Final answer
    x = 339,204.27

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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.