Finding the Fourth Proportional to 215,791.16, 297,793.07 and 125,201.06
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Solution
The fourth proportional to 215,791.16, 297,793.07 and 125,201.06 is: 172,778.19
Step by Step Solution
- Step 1: Write the proportion equation
215,791.16 : 297,793.07 = 125,201.06 : x - Step 2: Convert to fraction form
215,791.16/297,793.07 = 125,201.06/x - Step 3: Cross multiply
215,791.16x = 297,793.07 × 125,201.06 - Step 4: Simplify right side
215,791.16x = 37,284,005,909.68 - Step 5: Solve for x
x = 37,284,005,909.68/215,791.16 - Step 6: Final answer
x = 172,778.19
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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.