Finding the Fourth Proportional to 304,132.13, 419,685.42 and 168,157.92
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Solution
The fourth proportional to 304,132.13, 419,685.42 and 168,157.92 is: 232,048.58
Step by Step Solution
- Step 1: Write the proportion equation
304,132.13 : 419,685.42 = 168,157.92 : x - Step 2: Convert to fraction form
304,132.13/419,685.42 = 168,157.92/x - Step 3: Cross multiply
304,132.13x = 419,685.42 × 168,157.92 - Step 4: Simplify right side
304,132.13x = 70,573,428,540.05 - Step 5: Solve for x
x = 70,573,428,540.05/304,132.13 - Step 6: Final answer
x = 232,048.58
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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.