Home / 231,324.40-346,986.60-81,733.60

Finding the Fourth Proportional to 231,324.40, 346,986.60 and 81,733.60

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Solution

The fourth proportional to 231,324.40, 346,986.60 and 81,733.60 is: 122,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,324.40 : 346,986.60 = 81,733.60 : x
  2. Step 2: Convert to fraction form
    231,324.40/346,986.60 = 81,733.60/x
  3. Step 3: Cross multiply
    231,324.40x = 346,986.60 × 81,733.60
  4. Step 4: Simplify right side
    231,324.40x = 28,360,463,969.76
  5. Step 5: Solve for x
    x = 28,360,463,969.76/231,324.40
  6. Step 6: Final answer
    x = 122,600.40

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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.