Finding the Fourth Proportional to 163,982.20, 226,316.84 and 92,376.04
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Solution
The fourth proportional to 163,982.20, 226,316.84 and 92,376.04 is: 127,490.99
Step by Step Solution
- Step 1: Write the proportion equation
163,982.20 : 226,316.84 = 92,376.04 : x - Step 2: Convert to fraction form
163,982.20/226,316.84 = 92,376.04/x - Step 3: Cross multiply
163,982.20x = 226,316.84 × 92,376.04 - Step 4: Simplify right side
163,982.20x = 20,906,253,464.51 - Step 5: Solve for x
x = 20,906,253,464.51/163,982.20 - Step 6: Final answer
x = 127,490.99
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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.