Finding the Fourth Proportional to 205,997.76, 284,235.84 and 125,371.26
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Solution
The fourth proportional to 205,997.76, 284,235.84 and 125,371.26 is: 172,987.34
Step by Step Solution
- Step 1: Write the proportion equation
205,997.76 : 284,235.84 = 125,371.26 : x - Step 2: Convert to fraction form
205,997.76/284,235.84 = 125,371.26/x - Step 3: Cross multiply
205,997.76x = 284,235.84 × 125,371.26 - Step 4: Simplify right side
205,997.76x = 35,635,005,397.96 - Step 5: Solve for x
x = 35,635,005,397.96/205,997.76 - Step 6: Final answer
x = 172,987.34
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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.