Finding the Fourth Proportional to 396,286.02, 546,874.62 and 226,523.80
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Solution
The fourth proportional to 396,286.02, 546,874.62 and 226,523.80 is: 312,602.79
Step by Step Solution
- Step 1: Write the proportion equation
396,286.02 : 546,874.62 = 226,523.80 : x - Step 2: Convert to fraction form
396,286.02/546,874.62 = 226,523.80/x - Step 3: Cross multiply
396,286.02x = 546,874.62 × 226,523.80 - Step 4: Simplify right side
396,286.02x = 123,880,117,045.96 - Step 5: Solve for x
x = 123,880,117,045.96/396,286.02 - Step 6: Final answer
x = 312,602.79
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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.