Finding the Fourth Proportional to 215,351.97, 297,182.75 and 119,858.70
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Solution
The fourth proportional to 215,351.97, 297,182.75 and 119,858.70 is: 165,403.35
Step by Step Solution
- Step 1: Write the proportion equation
215,351.97 : 297,182.75 = 119,858.70 : x - Step 2: Convert to fraction form
215,351.97/297,182.75 = 119,858.70/x - Step 3: Cross multiply
215,351.97x = 297,182.75 × 119,858.70 - Step 4: Simplify right side
215,351.97x = 35,619,937,478.13 - Step 5: Solve for x
x = 35,619,937,478.13/215,351.97 - Step 6: Final answer
x = 165,403.35
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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.