Finding the Fourth Proportional to 222,391.42, 306,895.77 and 126,882.70
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Solution
The fourth proportional to 222,391.42, 306,895.77 and 126,882.70 is: 175,095.62
Step by Step Solution
- Step 1: Write the proportion equation
222,391.42 : 306,895.77 = 126,882.70 : x - Step 2: Convert to fraction form
222,391.42/306,895.77 = 126,882.70/x - Step 3: Cross multiply
222,391.42x = 306,895.77 × 126,882.70 - Step 4: Simplify right side
222,391.42x = 38,939,763,916.18 - Step 5: Solve for x
x = 38,939,763,916.18/222,391.42 - Step 6: Final answer
x = 175,095.62
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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.