Finding the Fourth Proportional to 222,118.96, 306,526.80 and 121,516.96
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Solution
The fourth proportional to 222,118.96, 306,526.80 and 121,516.96 is: 167,694.85
Step by Step Solution
- Step 1: Write the proportion equation
222,118.96 : 306,526.80 = 121,516.96 : x - Step 2: Convert to fraction form
222,118.96/306,526.80 = 121,516.96/x - Step 3: Cross multiply
222,118.96x = 306,526.80 × 121,516.96 - Step 4: Simplify right side
222,118.96x = 37,248,204,894.53 - Step 5: Solve for x
x = 37,248,204,894.53/222,118.96 - Step 6: Final answer
x = 167,694.85
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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.