Finding the Fourth Proportional to 215,401.92, 297,247.68 and 119,905.44
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Solution
The fourth proportional to 215,401.92, 297,247.68 and 119,905.44 is: 165,465.63
Step by Step Solution
- Step 1: Write the proportion equation
215,401.92 : 297,247.68 = 119,905.44 : x - Step 2: Convert to fraction form
215,401.92/297,247.68 = 119,905.44/x - Step 3: Cross multiply
215,401.92x = 297,247.68 × 119,905.44 - Step 4: Simplify right side
215,401.92x = 35,641,613,859.38 - Step 5: Solve for x
x = 35,641,613,859.38/215,401.92 - Step 6: Final answer
x = 165,465.63
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1.5x scale
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.