Finding the Fourth Proportional to 222,394.72, 306,861.60 and 126,898.96
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Solution
The fourth proportional to 222,394.72, 306,861.60 and 126,898.96 is: 175,095.96
Step by Step Solution
- Step 1: Write the proportion equation
222,394.72 : 306,861.60 = 126,898.96 : x - Step 2: Convert to fraction form
222,394.72/306,861.60 = 126,898.96/x - Step 3: Cross multiply
222,394.72x = 306,861.60 × 126,898.96 - Step 4: Simplify right side
222,394.72x = 38,940,417,903.94 - Step 5: Solve for x
x = 38,940,417,903.94/222,394.72 - Step 6: Final answer
x = 175,095.96
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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.