Finding the Fourth Proportional to 222,236.34, 306,686.95 and 120,261.79
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Solution
The fourth proportional to 222,236.34, 306,686.95 and 120,261.79 is: 165,961.70
Step by Step Solution
- Step 1: Write the proportion equation
222,236.34 : 306,686.95 = 120,261.79 : x - Step 2: Convert to fraction form
222,236.34/306,686.95 = 120,261.79/x - Step 3: Cross multiply
222,236.34x = 306,686.95 × 120,261.79 - Step 4: Simplify right side
222,236.34x = 36,882,720,043.21 - Step 5: Solve for x
x = 36,882,720,043.21/222,236.34 - Step 6: Final answer
x = 165,961.70
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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.