Finding the Fourth Proportional to 476,192.28, 656,958.29 and 272,133.73
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Solution
The fourth proportional to 476,192.28, 656,958.29 and 272,133.73 is: 375,437.65
Step by Step Solution
- Step 1: Write the proportion equation
476,192.28 : 656,958.29 = 272,133.73 : x - Step 2: Convert to fraction form
476,192.28/656,958.29 = 272,133.73/x - Step 3: Cross multiply
476,192.28x = 656,958.29 × 272,133.73 - Step 4: Simplify right side
476,192.28x = 178,780,512,135.20 - Step 5: Solve for x
x = 178,780,512,135.20/476,192.28 - Step 6: Final answer
x = 375,437.65
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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.