Finding the Fourth Proportional to 221,442.20, 332,130.90 and 63,654.20
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Solution
The fourth proportional to 221,442.20, 332,130.90 and 63,654.20 is: 95,471.99
Step by Step Solution
- Step 1: Write the proportion equation
221,442.20 : 332,130.90 = 63,654.20 : x - Step 2: Convert to fraction form
221,442.20/332,130.90 = 63,654.20/x - Step 3: Cross multiply
221,442.20x = 332,130.90 × 63,654.20 - Step 4: Simplify right side
221,442.20x = 21,141,526,734.78 - Step 5: Solve for x
x = 21,141,526,734.78/221,442.20 - Step 6: Final answer
x = 95,471.99
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1.5x scale
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.