Finding the Fourth Proportional to 376,851.60, 520,049.16 and 207,082.08
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Solution
The fourth proportional to 376,851.60, 520,049.16 and 207,082.08 is: 285,769.95
Step by Step Solution
- Step 1: Write the proportion equation
376,851.60 : 520,049.16 = 207,082.08 : x - Step 2: Convert to fraction form
376,851.60/520,049.16 = 207,082.08/x - Step 3: Cross multiply
376,851.60x = 520,049.16 × 207,082.08 - Step 4: Simplify right side
376,851.60x = 107,692,861,755.05 - Step 5: Solve for x
x = 107,692,861,755.05/376,851.60 - Step 6: Final answer
x = 285,769.95
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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.