Finding the Fourth Proportional to 215,239.96, 297,035.12 and 119,755.56
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Solution
The fourth proportional to 215,239.96, 297,035.12 and 119,755.56 is: 165,264.88
Step by Step Solution
- Step 1: Write the proportion equation
215,239.96 : 297,035.12 = 119,755.56 : x - Step 2: Convert to fraction form
215,239.96/297,035.12 = 119,755.56/x - Step 3: Cross multiply
215,239.96x = 297,035.12 × 119,755.56 - Step 4: Simplify right side
215,239.96x = 35,571,607,135.27 - Step 5: Solve for x
x = 35,571,607,135.27/215,239.96 - Step 6: Final answer
x = 165,264.88
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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.