Finding the Fourth Proportional to 471,082.16, 706,645.92 and 155,532.08
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Solution
The fourth proportional to 471,082.16, 706,645.92 and 155,532.08 is: 233,305.61
Step by Step Solution
- Step 1: Write the proportion equation
471,082.16 : 706,645.92 = 155,532.08 : x - Step 2: Convert to fraction form
471,082.16/706,645.92 = 155,532.08/x - Step 3: Cross multiply
471,082.16x = 706,645.92 × 155,532.08 - Step 4: Simplify right side
471,082.16x = 109,906,109,761.11 - Step 5: Solve for x
x = 109,906,109,761.11/471,082.16 - Step 6: Final answer
x = 233,305.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.