Finding the Fourth Proportional to 225,612.19, 338,418.29 and 107,218.95
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Solution
The fourth proportional to 225,612.19, 338,418.29 and 107,218.95 is: 160,828.43
Step by Step Solution
- Step 1: Write the proportion equation
225,612.19 : 338,418.29 = 107,218.95 : x - Step 2: Convert to fraction form
225,612.19/338,418.29 = 107,218.95/x - Step 3: Cross multiply
225,612.19x = 338,418.29 × 107,218.95 - Step 4: Simplify right side
225,612.19x = 36,284,853,714.60 - Step 5: Solve for x
x = 36,284,853,714.60/225,612.19 - Step 6: Final answer
x = 160,828.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.