Finding the Fourth Proportional to 547,819.24, 821,728.87 and 148,459.99
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Solution
The fourth proportional to 547,819.24, 821,728.87 and 148,459.99 is: 222,689.99
Step by Step Solution
- Step 1: Write the proportion equation
547,819.24 : 821,728.87 = 148,459.99 : x - Step 2: Convert to fraction form
547,819.24/821,728.87 = 148,459.99/x - Step 3: Cross multiply
547,819.24x = 821,728.87 × 148,459.99 - Step 4: Simplify right side
547,819.24x = 121,993,859,822.91 - Step 5: Solve for x
x = 121,993,859,822.91/547,819.24 - Step 6: Final answer
x = 222,689.99
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Similar ratio
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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.