Finding the Fourth Proportional to 186,750.78, 257,717.94 and 101,869.62
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Solution
The fourth proportional to 186,750.78, 257,717.94 and 101,869.62 is: 140,581.09
Step by Step Solution
- Step 1: Write the proportion equation
186,750.78 : 257,717.94 = 101,869.62 : x - Step 2: Convert to fraction form
186,750.78/257,717.94 = 101,869.62/x - Step 3: Cross multiply
186,750.78x = 257,717.94 × 101,869.62 - Step 4: Simplify right side
186,750.78x = 26,253,628,614.98 - Step 5: Solve for x
x = 26,253,628,614.98/186,750.78 - Step 6: Final answer
x = 140,581.09
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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.