Finding the Fourth Proportional to 308,414.97, 462,437.26 and 128,283.73
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Solution
The fourth proportional to 308,414.97, 462,437.26 and 128,283.73 is: 192,348.56
Step by Step Solution
- Step 1: Write the proportion equation
308,414.97 : 462,437.26 = 128,283.73 : x - Step 2: Convert to fraction form
308,414.97/462,437.26 = 128,283.73/x - Step 3: Cross multiply
308,414.97x = 462,437.26 × 128,283.73 - Step 4: Simplify right side
308,414.97x = 59,323,176,603.78 - Step 5: Solve for x
x = 59,323,176,603.78/308,414.97 - Step 6: Final answer
x = 192,348.56
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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.