Finding the Fourth Proportional to 369,356.14, 509,591.82 and 225,966.70
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Solution
The fourth proportional to 369,356.14, 509,591.82 and 225,966.70 is: 311,760.84
Step by Step Solution
- Step 1: Write the proportion equation
369,356.14 : 509,591.82 = 225,966.70 : x - Step 2: Convert to fraction form
369,356.14/509,591.82 = 225,966.70/x - Step 3: Cross multiply
369,356.14x = 509,591.82 × 225,966.70 - Step 4: Simplify right side
369,356.14x = 115,150,781,912.39 - Step 5: Solve for x
x = 115,150,781,912.39/369,356.14 - Step 6: Final answer
x = 311,760.84
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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.