Home / 465,829.36-642,867.31-261,944.46

Finding the Fourth Proportional to 465,829.36, 642,867.31 and 261,944.46

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Solution

The fourth proportional to 465,829.36, 642,867.31 and 261,944.46 is: 361,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,829.36 : 642,867.31 = 261,944.46 : x
  2. Step 2: Convert to fraction form
    465,829.36/642,867.31 = 261,944.46/x
  3. Step 3: Cross multiply
    465,829.36x = 642,867.31 × 261,944.46
  4. Step 4: Simplify right side
    465,829.36x = 168,395,530,369.60
  5. Step 5: Solve for x
    x = 168,395,530,369.60/465,829.36
  6. Step 6: Final answer
    x = 361,496.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.