Home / 297,737.38-446,538.75-87,391.72

Finding the Fourth Proportional to 297,737.38, 446,538.75 and 87,391.72

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Solution

The fourth proportional to 297,737.38, 446,538.75 and 87,391.72 is: 131,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,737.38 : 446,538.75 = 87,391.72 : x
  2. Step 2: Convert to fraction form
    297,737.38/446,538.75 = 87,391.72/x
  3. Step 3: Cross multiply
    297,737.38x = 446,538.75 × 87,391.72
  4. Step 4: Simplify right side
    297,737.38x = 39,023,789,409.15
  5. Step 5: Solve for x
    x = 39,023,789,409.15/297,737.38
  6. Step 6: Final answer
    x = 131,067.82

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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.