Finding the Fourth Proportional to 339,207.75, 509,044.91 and 117,591.75
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Solution
The fourth proportional to 339,207.75, 509,044.91 and 117,591.75 is: 176,468.50
Step by Step Solution
- Step 1: Write the proportion equation
339,207.75 : 509,044.91 = 117,591.75 : x - Step 2: Convert to fraction form
339,207.75/509,044.91 = 117,591.75/x - Step 3: Cross multiply
339,207.75x = 509,044.91 × 117,591.75 - Step 4: Simplify right side
339,207.75x = 59,859,481,207.53 - Step 5: Solve for x
x = 59,859,481,207.53/339,207.75 - Step 6: Final answer
x = 176,468.50
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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.