Finding the Fourth Proportional to 611,067.28, 843,233.56 and 339,135.36
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Solution
The fourth proportional to 611,067.28, 843,233.56 and 339,135.36 is: 467,984.99
Step by Step Solution
- Step 1: Write the proportion equation
611,067.28 : 843,233.56 = 339,135.36 : x - Step 2: Convert to fraction form
611,067.28/843,233.56 = 339,135.36/x - Step 3: Cross multiply
611,067.28x = 843,233.56 × 339,135.36 - Step 4: Simplify right side
611,067.28x = 285,970,313,640.08 - Step 5: Solve for x
x = 285,970,313,640.08/611,067.28 - Step 6: Final answer
x = 467,984.99
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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.