Finding the Fourth Proportional to 222,455.76, 306,988.84 and 120,481.21
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Solution
The fourth proportional to 222,455.76, 306,988.84 and 120,481.21 is: 166,264.01
Step by Step Solution
- Step 1: Write the proportion equation
222,455.76 : 306,988.84 = 120,481.21 : x - Step 2: Convert to fraction form
222,455.76/306,988.84 = 120,481.21/x - Step 3: Cross multiply
222,455.76x = 306,988.84 × 120,481.21 - Step 4: Simplify right side
222,455.76x = 36,986,387,188.03 - Step 5: Solve for x
x = 36,986,387,188.03/222,455.76 - Step 6: Final answer
x = 166,264.01
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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.