Finding the Fourth Proportional to 329,082.28, 454,178.63 and 189,377.99
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Solution
The fourth proportional to 329,082.28, 454,178.63 and 189,377.99 is: 261,367.57
Step by Step Solution
- Step 1: Write the proportion equation
329,082.28 : 454,178.63 = 189,377.99 : x - Step 2: Convert to fraction form
329,082.28/454,178.63 = 189,377.99/x - Step 3: Cross multiply
329,082.28x = 454,178.63 × 189,377.99 - Step 4: Simplify right side
329,082.28x = 86,011,434,451.87 - Step 5: Solve for x
x = 86,011,434,451.87/329,082.28 - Step 6: Final answer
x = 261,367.57
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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.