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Finding the Fourth Proportional to 449,842.04, 620,781.98 and 245,893.80

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Solution

The fourth proportional to 449,842.04, 620,781.98 and 245,893.80 is: 339,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,842.04 : 620,781.98 = 245,893.80 : x
  2. Step 2: Convert to fraction form
    449,842.04/620,781.98 = 245,893.80/x
  3. Step 3: Cross multiply
    449,842.04x = 620,781.98 × 245,893.80
  4. Step 4: Simplify right side
    449,842.04x = 152,646,440,033.72
  5. Step 5: Solve for x
    x = 152,646,440,033.72/449,842.04
  6. Step 6: Final answer
    x = 339,333.42

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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.