Home / 204,286.80-306,430.16-64,056.72

Finding the Fourth Proportional to 204,286.80, 306,430.16 and 64,056.72

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Solution

The fourth proportional to 204,286.80, 306,430.16 and 64,056.72 is: 96,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,286.80 : 306,430.16 = 64,056.72 : x
  2. Step 2: Convert to fraction form
    204,286.80/306,430.16 = 64,056.72/x
  3. Step 3: Cross multiply
    204,286.80x = 306,430.16 × 64,056.72
  4. Step 4: Simplify right side
    204,286.80x = 19,628,910,958.68
  5. Step 5: Solve for x
    x = 19,628,910,958.68/204,286.80
  6. Step 6: Final answer
    x = 96,085.07

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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.