Home / 297,738.38-446,540.25-87,392.72

Finding the Fourth Proportional to 297,738.38, 446,540.25 and 87,392.72

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Solution

The fourth proportional to 297,738.38, 446,540.25 and 87,392.72 is: 131,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,738.38 : 446,540.25 = 87,392.72 : x
  2. Step 2: Convert to fraction form
    297,738.38/446,540.25 = 87,392.72/x
  3. Step 3: Cross multiply
    297,738.38x = 446,540.25 × 87,392.72
  4. Step 4: Simplify right side
    297,738.38x = 39,024,367,036.98
  5. Step 5: Solve for x
    x = 39,024,367,036.98/297,738.38
  6. Step 6: Final answer
    x = 131,069.32

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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.