Home / 297,828.20-446,825.70-120,459.80

Finding the Fourth Proportional to 297,828.20, 446,825.70 and 120,459.80

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Solution

The fourth proportional to 297,828.20, 446,825.70 and 120,459.80 is: 180,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,828.20 : 446,825.70 = 120,459.80 : x
  2. Step 2: Convert to fraction form
    297,828.20/446,825.70 = 120,459.80/x
  3. Step 3: Cross multiply
    297,828.20x = 446,825.70 × 120,459.80
  4. Step 4: Simplify right side
    297,828.20x = 53,824,534,456.86
  5. Step 5: Solve for x
    x = 53,824,534,456.86/297,828.20
  6. Step 6: Final answer
    x = 180,723.43

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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.