Finding the Fourth Proportional to 163,862.38, 226,123.21 and 92,239.75
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Solution
The fourth proportional to 163,862.38, 226,123.21 and 92,239.75 is: 127,286.99
Step by Step Solution
- Step 1: Write the proportion equation
163,862.38 : 226,123.21 = 92,239.75 : x - Step 2: Convert to fraction form
163,862.38/226,123.21 = 92,239.75/x - Step 3: Cross multiply
163,862.38x = 226,123.21 × 92,239.75 - Step 4: Simplify right side
163,862.38x = 20,857,548,359.60 - Step 5: Solve for x
x = 20,857,548,359.60/163,862.38 - Step 6: Final answer
x = 127,286.99
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1.5x scale
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.