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Finding the Fourth Proportional to 297,648.73, 446,496 and 84,412.99

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Solution

The fourth proportional to 297,648.73, 446,496 and 84,412.99 is: 126,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,648.73 : 446,496 = 84,412.99 : x
  2. Step 2: Convert to fraction form
    297,648.73/446,496 = 84,412.99/x
  3. Step 3: Cross multiply
    297,648.73x = 446,496 × 84,412.99
  4. Step 4: Simplify right side
    297,648.73x = 37,690,062,383.04
  5. Step 5: Solve for x
    x = 37,690,062,383.04/297,648.73
  6. Step 6: Final answer
    x = 126,625.98

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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.