Finding the Fourth Proportional to 222,284.74, 306,749.85 and 126,793.03
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Solution
The fourth proportional to 222,284.74, 306,749.85 and 126,793.03 is: 174,972.62
Step by Step Solution
- Step 1: Write the proportion equation
222,284.74 : 306,749.85 = 126,793.03 : x - Step 2: Convert to fraction form
222,284.74/306,749.85 = 126,793.03/x - Step 3: Cross multiply
222,284.74x = 306,749.85 × 126,793.03 - Step 4: Simplify right side
222,284.74x = 38,893,742,933.55 - Step 5: Solve for x
x = 38,893,742,933.55/222,284.74 - Step 6: Final answer
x = 174,972.62
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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.