Finding the Fourth Proportional to 215,400.44, 297,218.34 and 124,764.84
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Solution
The fourth proportional to 215,400.44, 297,218.34 and 124,764.84 is: 172,155.63
Step by Step Solution
- Step 1: Write the proportion equation
215,400.44 : 297,218.34 = 124,764.84 : x - Step 2: Convert to fraction form
215,400.44/297,218.34 = 124,764.84/x - Step 3: Cross multiply
215,400.44x = 297,218.34 × 124,764.84 - Step 4: Simplify right side
215,400.44x = 37,082,398,635.17 - Step 5: Solve for x
x = 37,082,398,635.17/215,400.44 - Step 6: Final answer
x = 172,155.63
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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.