Finding the Fourth Proportional to 222,456.92, 306,988.98 and 120,480.08
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Solution
The fourth proportional to 222,456.92, 306,988.98 and 120,480.08 is: 166,261.66
Step by Step Solution
- Step 1: Write the proportion equation
222,456.92 : 306,988.98 = 120,480.08 : x - Step 2: Convert to fraction form
222,456.92/306,988.98 = 120,480.08/x - Step 3: Cross multiply
222,456.92x = 306,988.98 × 120,480.08 - Step 4: Simplify right side
222,456.92x = 36,986,056,869.52 - Step 5: Solve for x
x = 36,986,056,869.52/222,456.92 - Step 6: Final answer
x = 166,261.66
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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.