Finding the Fourth Proportional to 222,129.06, 306,219.26 and 158,356.14
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Solution
The fourth proportional to 222,129.06, 306,219.26 and 158,356.14 is: 218,304.17
Step by Step Solution
- Step 1: Write the proportion equation
222,129.06 : 306,219.26 = 158,356.14 : x - Step 2: Convert to fraction form
222,129.06/306,219.26 = 158,356.14/x - Step 3: Cross multiply
222,129.06x = 306,219.26 × 158,356.14 - Step 4: Simplify right side
222,129.06x = 48,491,700,007.26 - Step 5: Solve for x
x = 48,491,700,007.26/222,129.06 - Step 6: Final answer
x = 218,304.17
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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.