Finding the Fourth Proportional to 222,129.64, 306,545.93 and 121,527.64
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Solution
The fourth proportional to 222,129.64, 306,545.93 and 121,527.64 is: 167,711.99
Step by Step Solution
- Step 1: Write the proportion equation
222,129.64 : 306,545.93 = 121,527.64 : x - Step 2: Convert to fraction form
222,129.64/306,545.93 = 121,527.64/x - Step 3: Cross multiply
222,129.64x = 306,545.93 × 121,527.64 - Step 4: Simplify right side
222,129.64x = 37,253,803,424.51 - Step 5: Solve for x
x = 37,253,803,424.51/222,129.64 - Step 6: Final answer
x = 167,711.99
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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.