Finding the Fourth Proportional to 215,913.24, 297,863.88 and 125,216.61
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Solution
The fourth proportional to 215,913.24, 297,863.88 and 125,216.61 is: 172,743.02
Step by Step Solution
- Step 1: Write the proportion equation
215,913.24 : 297,863.88 = 125,216.61 : x - Step 2: Convert to fraction form
215,913.24/297,863.88 = 125,216.61/x - Step 3: Cross multiply
215,913.24x = 297,863.88 × 125,216.61 - Step 4: Simplify right side
215,913.24x = 37,297,505,295.05 - Step 5: Solve for x
x = 37,297,505,295.05/215,913.24 - Step 6: Final answer
x = 172,743.02
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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.