Finding the Fourth Proportional to 474,207.21, 711,310.01 and 221,402.97
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Solution
The fourth proportional to 474,207.21, 711,310.01 and 221,402.97 is: 332,104.08
Step by Step Solution
- Step 1: Write the proportion equation
474,207.21 : 711,310.01 = 221,402.97 : x - Step 2: Convert to fraction form
474,207.21/711,310.01 = 221,402.97/x - Step 3: Cross multiply
474,207.21x = 711,310.01 × 221,402.97 - Step 4: Simplify right side
474,207.21x = 157,486,147,697.72 - Step 5: Solve for x
x = 157,486,147,697.72/474,207.21 - Step 6: Final answer
x = 332,104.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.