Finding the Fourth Proportional to 205,581.12, 283,708.17 and 114,940.92
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Solution
The fourth proportional to 205,581.12, 283,708.17 and 114,940.92 is: 158,621.95
Step by Step Solution
- Step 1: Write the proportion equation
205,581.12 : 283,708.17 = 114,940.92 : x - Step 2: Convert to fraction form
205,581.12/283,708.17 = 114,940.92/x - Step 3: Cross multiply
205,581.12x = 283,708.17 × 114,940.92 - Step 4: Simplify right side
205,581.12x = 32,609,678,071.32 - Step 5: Solve for x
x = 32,609,678,071.32/205,581.12 - Step 6: Final answer
x = 158,621.95
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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.