Finding the Fourth Proportional to 339,436.68, 468,356.33 and 194,286.87
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Solution
The fourth proportional to 339,436.68, 468,356.33 and 194,286.87 is: 268,077.94
Step by Step Solution
- Step 1: Write the proportion equation
339,436.68 : 468,356.33 = 194,286.87 : x - Step 2: Convert to fraction form
339,436.68/468,356.33 = 194,286.87/x - Step 3: Cross multiply
339,436.68x = 468,356.33 × 194,286.87 - Step 4: Simplify right side
339,436.68x = 90,995,484,428.95 - Step 5: Solve for x
x = 90,995,484,428.95/339,436.68 - Step 6: Final answer
x = 268,077.94
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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.