Finding the Fourth Proportional to 617,082.12, 851,652.20 and 345,165.12
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Solution
The fourth proportional to 617,082.12, 851,652.20 and 345,165.12 is: 476,371.99
Step by Step Solution
- Step 1: Write the proportion equation
617,082.12 : 851,652.20 = 345,165.12 : x - Step 2: Convert to fraction form
617,082.12/851,652.20 = 345,165.12/x - Step 3: Cross multiply
617,082.12x = 851,652.20 × 345,165.12 - Step 4: Simplify right side
617,082.12x = 293,960,634,674.18 - Step 5: Solve for x
x = 293,960,634,674.18/617,082.12 - Step 6: Final answer
x = 476,371.99
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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.