Finding the Fourth Proportional to 353,813.97, 487,943.26 and 232,910.53
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Solution
The fourth proportional to 353,813.97, 487,943.26 and 232,910.53 is: 321,205.87
Step by Step Solution
- Step 1: Write the proportion equation
353,813.97 : 487,943.26 = 232,910.53 : x - Step 2: Convert to fraction form
353,813.97/487,943.26 = 232,910.53/x - Step 3: Cross multiply
353,813.97x = 487,943.26 × 232,910.53 - Step 4: Simplify right side
353,813.97x = 113,647,123,296.53 - Step 5: Solve for x
x = 113,647,123,296.53/353,813.97 - Step 6: Final answer
x = 321,205.87
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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.