Home / 297,736.38-446,537.25-87,390.72

Finding the Fourth Proportional to 297,736.38, 446,537.25 and 87,390.72

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Solution

The fourth proportional to 297,736.38, 446,537.25 and 87,390.72 is: 131,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,736.38 : 446,537.25 = 87,390.72 : x
  2. Step 2: Convert to fraction form
    297,736.38/446,537.25 = 87,390.72/x
  3. Step 3: Cross multiply
    297,736.38x = 446,537.25 × 87,390.72
  4. Step 4: Simplify right side
    297,736.38x = 39,023,211,784.32
  5. Step 5: Solve for x
    x = 39,023,211,784.32/297,736.38
  6. Step 6: Final answer
    x = 131,066.32

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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.