Finding the Fourth Proportional to 211,272.92, 316,696.12 and 132,442.52
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Solution
The fourth proportional to 211,272.92, 316,696.12 and 132,442.52 is: 198,530.09
Step by Step Solution
- Step 1: Write the proportion equation
211,272.92 : 316,696.12 = 132,442.52 : x - Step 2: Convert to fraction form
211,272.92/316,696.12 = 132,442.52/x - Step 3: Cross multiply
211,272.92x = 316,696.12 × 132,442.52 - Step 4: Simplify right side
211,272.92x = 41,944,032,207.02 - Step 5: Solve for x
x = 41,944,032,207.02/211,272.92 - Step 6: Final answer
x = 198,530.09
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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.