Finding the Fourth Proportional to 215,936.82, 323,905.23 and 110,688.66
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Solution
The fourth proportional to 215,936.82, 323,905.23 and 110,688.66 is: 166,032.99
Step by Step Solution
- Step 1: Write the proportion equation
215,936.82 : 323,905.23 = 110,688.66 : x - Step 2: Convert to fraction form
215,936.82/323,905.23 = 110,688.66/x - Step 3: Cross multiply
215,936.82x = 323,905.23 × 110,688.66 - Step 4: Simplify right side
215,936.82x = 35,852,635,875.69 - Step 5: Solve for x
x = 35,852,635,875.69/215,936.82 - Step 6: Final answer
x = 166,032.99
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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.