Finding the Fourth Proportional to 517,418.97, 775,817.42 and 197,592.09
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Solution
The fourth proportional to 517,418.97, 775,817.42 and 197,592.09 is: 296,269.35
Step by Step Solution
- Step 1: Write the proportion equation
517,418.97 : 775,817.42 = 197,592.09 : x - Step 2: Convert to fraction form
517,418.97/775,817.42 = 197,592.09/x - Step 3: Cross multiply
517,418.97x = 775,817.42 × 197,592.09 - Step 4: Simplify right side
517,418.97x = 153,295,384,488.25 - Step 5: Solve for x
x = 153,295,384,488.25/517,418.97 - Step 6: Final answer
x = 296,269.35
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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.