Home / 204,285.80-306,428.78-64,055.36

Finding the Fourth Proportional to 204,285.80, 306,428.78 and 64,055.36

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Solution

The fourth proportional to 204,285.80, 306,428.78 and 64,055.36 is: 96,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,285.80 : 306,428.78 = 64,055.36 : x
  2. Step 2: Convert to fraction form
    204,285.80/306,428.78 = 64,055.36/x
  3. Step 3: Cross multiply
    204,285.80x = 306,428.78 × 64,055.36
  4. Step 4: Simplify right side
    204,285.80x = 19,628,405,817.26
  5. Step 5: Solve for x
    x = 19,628,405,817.26/204,285.80
  6. Step 6: Final answer
    x = 96,083.07

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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.