Finding the Fourth Proportional to 222,121.13, 306,527.36 and 121,519.13
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Solution
The fourth proportional to 222,121.13, 306,527.36 and 121,519.13 is: 167,696.50
Step by Step Solution
- Step 1: Write the proportion equation
222,121.13 : 306,527.36 = 121,519.13 : x - Step 2: Convert to fraction form
222,121.13/306,527.36 = 121,519.13/x - Step 3: Cross multiply
222,121.13x = 306,527.36 × 121,519.13 - Step 4: Simplify right side
222,121.13x = 37,248,935,968.16 - Step 5: Solve for x
x = 37,248,935,968.16/222,121.13 - Step 6: Final answer
x = 167,696.50
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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.