Finding the Fourth Proportional to 186,170.22, 256,917.99 and 101,287.74
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Solution
The fourth proportional to 186,170.22, 256,917.99 and 101,287.74 is: 139,778.76
Step by Step Solution
- Step 1: Write the proportion equation
186,170.22 : 256,917.99 = 101,287.74 : x - Step 2: Convert to fraction form
186,170.22/256,917.99 = 101,287.74/x - Step 3: Cross multiply
186,170.22x = 256,917.99 × 101,287.74 - Step 4: Simplify right side
186,170.22x = 26,022,642,572.44 - Step 5: Solve for x
x = 26,022,642,572.44/186,170.22 - Step 6: Final answer
x = 139,778.76
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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.