Finding the Fourth Proportional to 194,355.68, 268,119.20 and 113,733.76
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Solution
The fourth proportional to 194,355.68, 268,119.20 and 113,733.76 is: 156,898.96
Step by Step Solution
- Step 1: Write the proportion equation
194,355.68 : 268,119.20 = 113,733.76 : x - Step 2: Convert to fraction form
194,355.68/268,119.20 = 113,733.76/x - Step 3: Cross multiply
194,355.68x = 268,119.20 × 113,733.76 - Step 4: Simplify right side
194,355.68x = 30,494,204,744.19 - Step 5: Solve for x
x = 30,494,204,744.19/194,355.68 - Step 6: Final answer
x = 156,898.96
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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.