Finding the Fourth Proportional to 163,795.92, 226,042.80 and 92,178.48
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Solution
The fourth proportional to 163,795.92, 226,042.80 and 92,178.48 is: 127,208.80
Step by Step Solution
- Step 1: Write the proportion equation
163,795.92 : 226,042.80 = 92,178.48 : x - Step 2: Convert to fraction form
163,795.92/226,042.80 = 92,178.48/x - Step 3: Cross multiply
163,795.92x = 226,042.80 × 92,178.48 - Step 4: Simplify right side
163,795.92x = 20,836,281,718.94 - Step 5: Solve for x
x = 20,836,281,718.94/163,795.92 - Step 6: Final answer
x = 127,208.80
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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.