Finding the Fourth Proportional to 186,687.99, 279,944.51 and 68,276.52
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Solution
The fourth proportional to 186,687.99, 279,944.51 and 68,276.52 is: 102,382.79
Step by Step Solution
- Step 1: Write the proportion equation
186,687.99 : 279,944.51 = 68,276.52 : x - Step 2: Convert to fraction form
186,687.99/279,944.51 = 68,276.52/x - Step 3: Cross multiply
186,687.99x = 279,944.51 × 68,276.52 - Step 4: Simplify right side
186,687.99x = 19,113,636,594.52 - Step 5: Solve for x
x = 19,113,636,594.52/186,687.99 - Step 6: Final answer
x = 102,382.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.