Finding the Fourth Proportional to 153,902.24, 212,473.42 and 117,316.44
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Solution
The fourth proportional to 153,902.24, 212,473.42 and 117,316.44 is: 161,964.02
Step by Step Solution
- Step 1: Write the proportion equation
153,902.24 : 212,473.42 = 117,316.44 : x - Step 2: Convert to fraction form
153,902.24/212,473.42 = 117,316.44/x - Step 3: Cross multiply
153,902.24x = 212,473.42 × 117,316.44 - Step 4: Simplify right side
153,902.24x = 24,926,625,229.02 - Step 5: Solve for x
x = 24,926,625,229.02/153,902.24 - Step 6: Final answer
x = 161,964.02
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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.