Finding the Fourth Proportional to 201,514.66, 278,090.22 and 110,868.70
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Solution
The fourth proportional to 201,514.66, 278,090.22 and 110,868.70 is: 152,998.80
Step by Step Solution
- Step 1: Write the proportion equation
201,514.66 : 278,090.22 = 110,868.70 : x - Step 2: Convert to fraction form
201,514.66/278,090.22 = 110,868.70/x - Step 3: Cross multiply
201,514.66x = 278,090.22 × 110,868.70 - Step 4: Simplify right side
201,514.66x = 30,831,501,174.11 - Step 5: Solve for x
x = 30,831,501,174.11/201,514.66 - Step 6: Final answer
x = 152,998.80
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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.