Finding the Fourth Proportional to 201,514.67, 278,083.23 and 110,869.70
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Solution
The fourth proportional to 201,514.67, 278,083.23 and 110,869.70 is: 152,996.32
Step by Step Solution
- Step 1: Write the proportion equation
201,514.67 : 278,083.23 = 110,869.70 : x - Step 2: Convert to fraction form
201,514.67/278,083.23 = 110,869.70/x - Step 3: Cross multiply
201,514.67x = 278,083.23 × 110,869.70 - Step 4: Simplify right side
201,514.67x = 30,831,002,478.95 - Step 5: Solve for x
x = 30,831,002,478.95/201,514.67 - Step 6: Final answer
x = 152,996.32
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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.