Finding the Fourth Proportional to 376,850.68, 520,082.94 and 215,756.44
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Solution
The fourth proportional to 376,850.68, 520,082.94 and 215,756.44 is: 297,760.49
Step by Step Solution
- Step 1: Write the proportion equation
376,850.68 : 520,082.94 = 215,756.44 : x - Step 2: Convert to fraction form
376,850.68/520,082.94 = 215,756.44/x - Step 3: Cross multiply
376,850.68x = 520,082.94 × 215,756.44 - Step 4: Simplify right side
376,850.68x = 112,211,243,639.13 - Step 5: Solve for x
x = 112,211,243,639.13/376,850.68 - Step 6: Final answer
x = 297,760.49
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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.