Finding the Fourth Proportional to 199,234.68, 274,943.96 and 113,193.81
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Solution
The fourth proportional to 199,234.68, 274,943.96 and 113,193.81 is: 156,207.52
Step by Step Solution
- Step 1: Write the proportion equation
199,234.68 : 274,943.96 = 113,193.81 : x - Step 2: Convert to fraction form
199,234.68/274,943.96 = 113,193.81/x - Step 3: Cross multiply
199,234.68x = 274,943.96 × 113,193.81 - Step 4: Simplify right side
199,234.68x = 31,121,954,368.89 - Step 5: Solve for x
x = 31,121,954,368.89/199,234.68 - Step 6: Final answer
x = 156,207.52
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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.