Finding the Fourth Proportional to 222,691.27, 306,901.80 and 158,163.31
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Solution
The fourth proportional to 222,691.27, 306,901.80 and 158,163.31 is: 217,972.64
Step by Step Solution
- Step 1: Write the proportion equation
222,691.27 : 306,901.80 = 158,163.31 : x - Step 2: Convert to fraction form
222,691.27/306,901.80 = 158,163.31/x - Step 3: Cross multiply
222,691.27x = 306,901.80 × 158,163.31 - Step 4: Simplify right side
222,691.27x = 48,540,604,532.96 - Step 5: Solve for x
x = 48,540,604,532.96/222,691.27 - Step 6: Final answer
x = 217,972.64
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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.