Home / 204,429.29-306,684.05-71,313.89

Finding the Fourth Proportional to 204,429.29, 306,684.05 and 71,313.89

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Solution

The fourth proportional to 204,429.29, 306,684.05 and 71,313.89 is: 106,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,429.29 : 306,684.05 = 71,313.89 : x
  2. Step 2: Convert to fraction form
    204,429.29/306,684.05 = 71,313.89/x
  3. Step 3: Cross multiply
    204,429.29x = 306,684.05 × 71,313.89
  4. Step 4: Simplify right side
    204,429.29x = 21,870,830,716.46
  5. Step 5: Solve for x
    x = 21,870,830,716.46/204,429.29
  6. Step 6: Final answer
    x = 106,984.82

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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.