Home / 393,917.67-590,827.26-109,629.54

Finding the Fourth Proportional to 393,917.67, 590,827.26 and 109,629.54

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Solution

The fourth proportional to 393,917.67, 590,827.26 and 109,629.54 is: 164,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,917.67 : 590,827.26 = 109,629.54 : x
  2. Step 2: Convert to fraction form
    393,917.67/590,827.26 = 109,629.54/x
  3. Step 3: Cross multiply
    393,917.67x = 590,827.26 × 109,629.54
  4. Step 4: Simplify right side
    393,917.67x = 64,772,120,733.26
  5. Step 5: Solve for x
    x = 64,772,120,733.26/393,917.67
  6. Step 6: Final answer
    x = 164,430.60

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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.