Finding the Fourth Proportional to 215,566.23, 297,490.57 and 120,072.97
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Solution
The fourth proportional to 215,566.23, 297,490.57 and 120,072.97 is: 165,705.80
Step by Step Solution
- Step 1: Write the proportion equation
215,566.23 : 297,490.57 = 120,072.97 : x - Step 2: Convert to fraction form
215,566.23/297,490.57 = 120,072.97/x - Step 3: Cross multiply
215,566.23x = 297,490.57 × 120,072.97 - Step 4: Simplify right side
215,566.23x = 35,720,575,099.62 - Step 5: Solve for x
x = 35,720,575,099.62/215,566.23 - Step 6: Final answer
x = 165,705.80
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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.