Home / 216,209.79-324,325.62-83,043.36

Finding the Fourth Proportional to 216,209.79, 324,325.62 and 83,043.36

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Solution

The fourth proportional to 216,209.79, 324,325.62 and 83,043.36 is: 124,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,209.79 : 324,325.62 = 83,043.36 : x
  2. Step 2: Convert to fraction form
    216,209.79/324,325.62 = 83,043.36/x
  3. Step 3: Cross multiply
    216,209.79x = 324,325.62 × 83,043.36
  4. Step 4: Simplify right side
    216,209.79x = 26,933,089,218.88
  5. Step 5: Solve for x
    x = 26,933,089,218.88/216,209.79
  6. Step 6: Final answer
    x = 124,569.24

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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.