Finding the Fourth Proportional to 222,128.28, 306,544.68 and 121,526.28
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Solution
The fourth proportional to 222,128.28, 306,544.68 and 121,526.28 is: 167,710.45
Step by Step Solution
- Step 1: Write the proportion equation
222,128.28 : 306,544.68 = 121,526.28 : x - Step 2: Convert to fraction form
222,128.28/306,544.68 = 121,526.28/x - Step 3: Cross multiply
222,128.28x = 306,544.68 × 121,526.28 - Step 4: Simplify right side
222,128.28x = 37,253,234,614.19 - Step 5: Solve for x
x = 37,253,234,614.19/222,128.28 - Step 6: Final answer
x = 167,710.45
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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.