Finding the Fourth Proportional to 445,561.92, 668,382.12 and 125,716.55
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Solution
The fourth proportional to 445,561.92, 668,382.12 and 125,716.55 is: 188,585.89
Step by Step Solution
- Step 1: Write the proportion equation
445,561.92 : 668,382.12 = 125,716.55 : x - Step 2: Convert to fraction form
445,561.92/668,382.12 = 125,716.55/x - Step 3: Cross multiply
445,561.92x = 668,382.12 × 125,716.55 - Step 4: Simplify right side
445,561.92x = 84,026,690,866.18 - Step 5: Solve for x
x = 84,026,690,866.18/445,561.92 - Step 6: Final answer
x = 188,585.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.