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Finding the Fourth Proportional to 216,935.04, 324,504 and 203,664

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Solution

The fourth proportional to 216,935.04, 324,504 and 203,664 is: 304,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,935.04 : 324,504 = 203,664 : x
  2. Step 2: Convert to fraction form
    216,935.04/324,504 = 203,664/x
  3. Step 3: Cross multiply
    216,935.04x = 324,504 × 203,664
  4. Step 4: Simplify right side
    216,935.04x = 66,089,782,656
  5. Step 5: Solve for x
    x = 66,089,782,656/216,935.04
  6. Step 6: Final answer
    x = 304,652.41

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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.