Finding the Fourth Proportional to 186,220.88, 279,386.39 and 107,391.68
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Solution
The fourth proportional to 186,220.88, 279,386.39 and 107,391.68 is: 161,119.28
Step by Step Solution
- Step 1: Write the proportion equation
186,220.88 : 279,386.39 = 107,391.68 : x - Step 2: Convert to fraction form
186,220.88/279,386.39 = 107,391.68/x - Step 3: Cross multiply
186,220.88x = 279,386.39 × 107,391.68 - Step 4: Simplify right side
186,220.88x = 30,003,772,662.78 - Step 5: Solve for x
x = 30,003,772,662.78/186,220.88 - Step 6: Final answer
x = 161,119.28
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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.