Finding the Fourth Proportional to 215,665.84, 297,614.84 and 120,170.48
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Solution
The fourth proportional to 215,665.84, 297,614.84 and 120,170.48 is: 165,833.02
Step by Step Solution
- Step 1: Write the proportion equation
215,665.84 : 297,614.84 = 120,170.48 : x - Step 2: Convert to fraction form
215,665.84/297,614.84 = 120,170.48/x - Step 3: Cross multiply
215,665.84x = 297,614.84 × 120,170.48 - Step 4: Simplify right side
215,665.84x = 35,764,518,177.92 - Step 5: Solve for x
x = 35,764,518,177.92/215,665.84 - Step 6: Final answer
x = 165,833.02
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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.