Finding the Fourth Proportional to 215,880.76, 323,625.12 and 75,562.84
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Solution
The fourth proportional to 215,880.76, 323,625.12 and 75,562.84 is: 113,275.65
Step by Step Solution
- Step 1: Write the proportion equation
215,880.76 : 323,625.12 = 75,562.84 : x - Step 2: Convert to fraction form
215,880.76/323,625.12 = 75,562.84/x - Step 3: Cross multiply
215,880.76x = 323,625.12 × 75,562.84 - Step 4: Simplify right side
215,880.76x = 24,454,033,162.54 - Step 5: Solve for x
x = 24,454,033,162.54/215,880.76 - Step 6: Final answer
x = 113,275.65
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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.