Finding the Fourth Proportional to 215,352.97, 297,184.12 and 119,859.70
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Solution
The fourth proportional to 215,352.97, 297,184.12 and 119,859.70 is: 165,404.73
Step by Step Solution
- Step 1: Write the proportion equation
215,352.97 : 297,184.12 = 119,859.70 : x - Step 2: Convert to fraction form
215,352.97/297,184.12 = 119,859.70/x - Step 3: Cross multiply
215,352.97x = 297,184.12 × 119,859.70 - Step 4: Simplify right side
215,352.97x = 35,620,399,467.96 - Step 5: Solve for x
x = 35,620,399,467.96/215,352.97 - Step 6: Final answer
x = 165,404.73
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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.