Finding the Fourth Proportional to 215,914.24, 297,865.26 and 125,217.61
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Solution
The fourth proportional to 215,914.24, 297,865.26 and 125,217.61 is: 172,744.40
Step by Step Solution
- Step 1: Write the proportion equation
215,914.24 : 297,865.26 = 125,217.61 : x - Step 2: Convert to fraction form
215,914.24/297,865.26 = 125,217.61/x - Step 3: Cross multiply
215,914.24x = 297,865.26 × 125,217.61 - Step 4: Simplify right side
215,914.24x = 37,297,975,959.23 - Step 5: Solve for x
x = 37,297,975,959.23/215,914.24 - Step 6: Final answer
x = 172,744.40
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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.