Finding the Fourth Proportional to 222,300.80, 306,691.37 and 145,862.09
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Solution
The fourth proportional to 222,300.80, 306,691.37 and 145,862.09 is: 201,234.74
Step by Step Solution
- Step 1: Write the proportion equation
222,300.80 : 306,691.37 = 145,862.09 : x - Step 2: Convert to fraction form
222,300.80/306,691.37 = 145,862.09/x - Step 3: Cross multiply
222,300.80x = 306,691.37 × 145,862.09 - Step 4: Simplify right side
222,300.80x = 44,734,644,213.16 - Step 5: Solve for x
x = 44,734,644,213.16/222,300.80 - Step 6: Final answer
x = 201,234.74
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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.