Home / 297,738.60-445,514.40-219,006.60

Finding the Fourth Proportional to 297,738.60, 445,514.40 and 219,006.60

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Solution

The fourth proportional to 297,738.60, 445,514.40 and 219,006.60 is: 327,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,738.60 : 445,514.40 = 219,006.60 : x
  2. Step 2: Convert to fraction form
    297,738.60/445,514.40 = 219,006.60/x
  3. Step 3: Cross multiply
    297,738.60x = 445,514.40 × 219,006.60
  4. Step 4: Simplify right side
    297,738.60x = 97,570,593,995.04
  5. Step 5: Solve for x
    x = 97,570,593,995.04/297,738.60
  6. Step 6: Final answer
    x = 327,705.56

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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.