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Finding the Fourth Proportional to 599,338.78, 899,139.48 and 225,361.78

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Solution

The fourth proportional to 599,338.78, 899,139.48 and 225,361.78 is: 338,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,338.78 : 899,139.48 = 225,361.78 : x
  2. Step 2: Convert to fraction form
    599,338.78/899,139.48 = 225,361.78/x
  3. Step 3: Cross multiply
    599,338.78x = 899,139.48 × 225,361.78
  4. Step 4: Simplify right side
    599,338.78x = 202,631,673,681.07
  5. Step 5: Solve for x
    x = 202,631,673,681.07/599,338.78
  6. Step 6: Final answer
    x = 338,092.04

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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.