Finding the Fourth Proportional to 202,042.09, 278,820.26 and 110,160.62
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Solution
The fourth proportional to 202,042.09, 278,820.26 and 110,160.62 is: 152,022.84
Step by Step Solution
- Step 1: Write the proportion equation
202,042.09 : 278,820.26 = 110,160.62 : x - Step 2: Convert to fraction form
202,042.09/278,820.26 = 110,160.62/x - Step 3: Cross multiply
202,042.09x = 278,820.26 × 110,160.62 - Step 4: Simplify right side
202,042.09x = 30,715,012,223.94 - Step 5: Solve for x
x = 30,715,012,223.94/202,042.09 - Step 6: Final answer
x = 152,022.84
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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.