Finding the Fourth Proportional to 222,394.48, 306,898.44 and 126,899.44
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Solution
The fourth proportional to 222,394.48, 306,898.44 and 126,899.44 is: 175,117.84
Step by Step Solution
- Step 1: Write the proportion equation
222,394.48 : 306,898.44 = 126,899.44 : x - Step 2: Convert to fraction form
222,394.48/306,898.44 = 126,899.44/x - Step 3: Cross multiply
222,394.48x = 306,898.44 × 126,899.44 - Step 4: Simplify right side
222,394.48x = 38,945,240,172.87 - Step 5: Solve for x
x = 38,945,240,172.87/222,394.48 - Step 6: Final answer
x = 175,117.84
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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.