Finding the Fourth Proportional to 343,684.82, 515,691.30 and 166,093.13
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Solution
The fourth proportional to 343,684.82, 515,691.30 and 166,093.13 is: 249,218.99
Step by Step Solution
- Step 1: Write the proportion equation
343,684.82 : 515,691.30 = 166,093.13 : x - Step 2: Convert to fraction form
343,684.82/515,691.30 = 166,093.13/x - Step 3: Cross multiply
343,684.82x = 515,691.30 × 166,093.13 - Step 4: Simplify right side
343,684.82x = 85,652,782,130.77 - Step 5: Solve for x
x = 85,652,782,130.77/343,684.82 - Step 6: Final answer
x = 249,218.99
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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.