Finding the Fourth Proportional to 232,414.75, 320,732.40 and 131,812.75
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Solution
The fourth proportional to 232,414.75, 320,732.40 and 131,812.75 is: 181,901.62
Step by Step Solution
- Step 1: Write the proportion equation
232,414.75 : 320,732.40 = 131,812.75 : x - Step 2: Convert to fraction form
232,414.75/320,732.40 = 131,812.75/x - Step 3: Cross multiply
232,414.75x = 320,732.40 × 131,812.75 - Step 4: Simplify right side
232,414.75x = 42,276,619,658.10 - Step 5: Solve for x
x = 42,276,619,658.10/232,414.75 - Step 6: Final answer
x = 181,901.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.