Home / 204,528.20-306,802.70-64,288.20

Finding the Fourth Proportional to 204,528.20, 306,802.70 and 64,288.20

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Solution

The fourth proportional to 204,528.20, 306,802.70 and 64,288.20 is: 96,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,528.20 : 306,802.70 = 64,288.20 : x
  2. Step 2: Convert to fraction form
    204,528.20/306,802.70 = 64,288.20/x
  3. Step 3: Cross multiply
    204,528.20x = 306,802.70 × 64,288.20
  4. Step 4: Simplify right side
    204,528.20x = 19,723,793,338.14
  5. Step 5: Solve for x
    x = 19,723,793,338.14/204,528.20
  6. Step 6: Final answer
    x = 96,435.57

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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.