Finding the Fourth Proportional to 476,198.37, 656,966.70 and 272,139.84
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Solution
The fourth proportional to 476,198.37, 656,966.70 and 272,139.84 is: 375,446.08
Step by Step Solution
- Step 1: Write the proportion equation
476,198.37 : 656,966.70 = 272,139.84 : x - Step 2: Convert to fraction form
476,198.37/656,966.70 = 272,139.84/x - Step 3: Cross multiply
476,198.37x = 656,966.70 × 272,139.84 - Step 4: Simplify right side
476,198.37x = 178,786,812,623.33 - Step 5: Solve for x
x = 178,786,812,623.33/476,198.37 - Step 6: Final answer
x = 375,446.08
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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.