Finding the Fourth Proportional to 194,355.09, 268,118.34 and 113,732.70
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Solution
The fourth proportional to 194,355.09, 268,118.34 and 113,732.70 is: 156,897.47
Step by Step Solution
- Step 1: Write the proportion equation
194,355.09 : 268,118.34 = 113,732.70 : x - Step 2: Convert to fraction form
194,355.09/268,118.34 = 113,732.70/x - Step 3: Cross multiply
194,355.09x = 268,118.34 × 113,732.70 - Step 4: Simplify right side
194,355.09x = 30,493,822,727.72 - Step 5: Solve for x
x = 30,493,822,727.72/194,355.09 - Step 6: Final answer
x = 156,897.47
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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.