Home / 331,917.40-458,087.16-202,829.32

Finding the Fourth Proportional to 331,917.40, 458,087.16 and 202,829.32

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Solution

The fourth proportional to 331,917.40, 458,087.16 and 202,829.32 is: 279,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,917.40 : 458,087.16 = 202,829.32 : x
  2. Step 2: Convert to fraction form
    331,917.40/458,087.16 = 202,829.32/x
  3. Step 3: Cross multiply
    331,917.40x = 458,087.16 × 202,829.32
  4. Step 4: Simplify right side
    331,917.40x = 92,913,507,163.53
  5. Step 5: Solve for x
    x = 92,913,507,163.53/331,917.40
  6. Step 6: Final answer
    x = 279,929.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.