Finding the Fourth Proportional to 181,639.44, 272,517.55 and 55,304.15
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Solution
The fourth proportional to 181,639.44, 272,517.55 and 55,304.15 is: 82,973.99
Step by Step Solution
- Step 1: Write the proportion equation
181,639.44 : 272,517.55 = 55,304.15 : x - Step 2: Convert to fraction form
181,639.44/272,517.55 = 55,304.15/x - Step 3: Cross multiply
181,639.44x = 272,517.55 × 55,304.15 - Step 4: Simplify right side
181,639.44x = 15,071,349,961.98 - Step 5: Solve for x
x = 15,071,349,961.98/181,639.44 - Step 6: Final answer
x = 82,973.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.