Finding the Fourth Proportional to 215,343.40, 297,170.93 and 119,850.08
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Solution
The fourth proportional to 215,343.40, 297,170.93 and 119,850.08 is: 165,391.46
Step by Step Solution
- Step 1: Write the proportion equation
215,343.40 : 297,170.93 = 119,850.08 : x - Step 2: Convert to fraction form
215,343.40/297,170.93 = 119,850.08/x - Step 3: Cross multiply
215,343.40x = 297,170.93 × 119,850.08 - Step 4: Simplify right side
215,343.40x = 35,615,959,734.17 - Step 5: Solve for x
x = 35,615,959,734.17/215,343.40 - Step 6: Final answer
x = 165,391.46
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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.