Finding the Fourth Proportional to 163,961.40, 226,371.20 and 133,818.62
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Solution
The fourth proportional to 163,961.40, 226,371.20 and 133,818.62 is: 184,754.96
Step by Step Solution
- Step 1: Write the proportion equation
163,961.40 : 226,371.20 = 133,818.62 : x - Step 2: Convert to fraction form
163,961.40/226,371.20 = 133,818.62/x - Step 3: Cross multiply
163,961.40x = 226,371.20 × 133,818.62 - Step 4: Simplify right side
163,961.40x = 30,292,681,591.74 - Step 5: Solve for x
x = 30,292,681,591.74/163,961.40 - Step 6: Final answer
x = 184,754.96
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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.