Finding the Fourth Proportional to 481,732.11, 664,794.95 and 266,876.73
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Solution
The fourth proportional to 481,732.11, 664,794.95 and 266,876.73 is: 368,292.45
Step by Step Solution
- Step 1: Write the proportion equation
481,732.11 : 664,794.95 = 266,876.73 : x - Step 2: Convert to fraction form
481,732.11/664,794.95 = 266,876.73/x - Step 3: Cross multiply
481,732.11x = 664,794.95 × 266,876.73 - Step 4: Simplify right side
481,732.11x = 177,418,301,042.13 - Step 5: Solve for x
x = 177,418,301,042.13/481,732.11 - Step 6: Final answer
x = 368,292.45
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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.