Home / 205,338.40-307,453.88-134,084.56

Finding the Fourth Proportional to 205,338.40, 307,453.88 and 134,084.56

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Solution

The fourth proportional to 205,338.40, 307,453.88 and 134,084.56 is: 200,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,338.40 : 307,453.88 = 134,084.56 : x
  2. Step 2: Convert to fraction form
    205,338.40/307,453.88 = 134,084.56/x
  3. Step 3: Cross multiply
    205,338.40x = 307,453.88 × 134,084.56
  4. Step 4: Simplify right side
    205,338.40x = 41,224,818,220.09
  5. Step 5: Solve for x
    x = 41,224,818,220.09/205,338.40
  6. Step 6: Final answer
    x = 200,765.26

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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.