Finding the Fourth Proportional to 117,949.17, 162,764.67 and 64,230.99
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Solution
The fourth proportional to 117,949.17, 162,764.67 and 64,230.99 is: 88,635.94
Step by Step Solution
- Step 1: Write the proportion equation
117,949.17 : 162,764.67 = 64,230.99 : x - Step 2: Convert to fraction form
117,949.17/162,764.67 = 64,230.99/x - Step 3: Cross multiply
117,949.17x = 162,764.67 × 64,230.99 - Step 4: Simplify right side
117,949.17x = 10,454,535,891.12 - Step 5: Solve for x
x = 10,454,535,891.12/117,949.17 - Step 6: Final answer
x = 88,635.94
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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.