Finding the Fourth Proportional to 343,791.75, 515,894.99 and 146,799.75
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Solution
The fourth proportional to 343,791.75, 515,894.99 and 146,799.75 is: 220,288.17
Step by Step Solution
- Step 1: Write the proportion equation
343,791.75 : 515,894.99 = 146,799.75 : x - Step 2: Convert to fraction form
343,791.75/515,894.99 = 146,799.75/x - Step 3: Cross multiply
343,791.75x = 515,894.99 × 146,799.75 - Step 4: Simplify right side
343,791.75x = 75,733,254,824.25 - Step 5: Solve for x
x = 75,733,254,824.25/343,791.75 - Step 6: Final answer
x = 220,288.17
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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.