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Finding the Fourth Proportional to 449,328.60, 673,807.68 and 182,908.80

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Solution

The fourth proportional to 449,328.60, 673,807.68 and 182,908.80 is: 274,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,328.60 : 673,807.68 = 182,908.80 : x
  2. Step 2: Convert to fraction form
    449,328.60/673,807.68 = 182,908.80/x
  3. Step 3: Cross multiply
    449,328.60x = 673,807.68 × 182,908.80
  4. Step 4: Simplify right side
    449,328.60x = 123,245,354,179.58
  5. Step 5: Solve for x
    x = 123,245,354,179.58/449,328.60
  6. Step 6: Final answer
    x = 274,287.80

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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.