Finding the Fourth Proportional to 320,082.36, 441,718.29 and 176,845.70
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Solution
The fourth proportional to 320,082.36, 441,718.29 and 176,845.70 is: 244,049.62
Step by Step Solution
- Step 1: Write the proportion equation
320,082.36 : 441,718.29 = 176,845.70 : x - Step 2: Convert to fraction form
320,082.36/441,718.29 = 176,845.70/x - Step 3: Cross multiply
320,082.36x = 441,718.29 × 176,845.70 - Step 4: Simplify right side
320,082.36x = 78,115,977,989.26 - Step 5: Solve for x
x = 78,115,977,989.26/320,082.36 - Step 6: Final answer
x = 244,049.62
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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.