Home / 216,566.47-324,905.06-83,410.97

Finding the Fourth Proportional to 216,566.47, 324,905.06 and 83,410.97

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Solution

The fourth proportional to 216,566.47, 324,905.06 and 83,410.97 is: 125,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,566.47 : 324,905.06 = 83,410.97 : x
  2. Step 2: Convert to fraction form
    216,566.47/324,905.06 = 83,410.97/x
  3. Step 3: Cross multiply
    216,566.47x = 324,905.06 × 83,410.97
  4. Step 4: Simplify right side
    216,566.47x = 27,100,646,154.91
  5. Step 5: Solve for x
    x = 27,100,646,154.91/216,566.47
  6. Step 6: Final answer
    x = 125,137.78

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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.