Home / 301,327.12-451,977.72-90,958.78

Finding the Fourth Proportional to 301,327.12, 451,977.72 and 90,958.78

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Solution

The fourth proportional to 301,327.12, 451,977.72 and 90,958.78 is: 136,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,327.12 : 451,977.72 = 90,958.78 : x
  2. Step 2: Convert to fraction form
    301,327.12/451,977.72 = 90,958.78/x
  3. Step 3: Cross multiply
    301,327.12x = 451,977.72 × 90,958.78
  4. Step 4: Simplify right side
    301,327.12x = 41,111,342,733.90
  5. Step 5: Solve for x
    x = 41,111,342,733.90/301,327.12
  6. Step 6: Final answer
    x = 136,434.26

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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.