Home / 216,110.24-324,262.32-137,203.36

Finding the Fourth Proportional to 216,110.24, 324,262.32 and 137,203.36

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Solution

The fourth proportional to 216,110.24, 324,262.32 and 137,203.36 is: 205,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,110.24 : 324,262.32 = 137,203.36 : x
  2. Step 2: Convert to fraction form
    216,110.24/324,262.32 = 137,203.36/x
  3. Step 3: Cross multiply
    216,110.24x = 324,262.32 × 137,203.36
  4. Step 4: Simplify right side
    216,110.24x = 44,489,879,825.40
  5. Step 5: Solve for x
    x = 44,489,879,825.40/216,110.24
  6. Step 6: Final answer
    x = 205,866.60

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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.