Finding the Fourth Proportional to 181,272.15, 271,838.36 and 68,893.15
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Solution
The fourth proportional to 181,272.15, 271,838.36 and 68,893.15 is: 103,313.17
Step by Step Solution
- Step 1: Write the proportion equation
181,272.15 : 271,838.36 = 68,893.15 : x - Step 2: Convert to fraction form
181,272.15/271,838.36 = 68,893.15/x - Step 3: Cross multiply
181,272.15x = 271,838.36 × 68,893.15 - Step 4: Simplify right side
181,272.15x = 18,727,800,911.23 - Step 5: Solve for x
x = 18,727,800,911.23/181,272.15 - Step 6: Final answer
x = 103,313.17
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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.