Finding the Fourth Proportional to 201,514.98, 278,090.64 and 110,868.96
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Solution
The fourth proportional to 201,514.98, 278,090.64 and 110,868.96 is: 152,999.15
Step by Step Solution
- Step 1: Write the proportion equation
201,514.98 : 278,090.64 = 110,868.96 : x - Step 2: Convert to fraction form
201,514.98/278,090.64 = 110,868.96/x - Step 3: Cross multiply
201,514.98x = 278,090.64 × 110,868.96 - Step 4: Simplify right side
201,514.98x = 30,831,620,042.53 - Step 5: Solve for x
x = 30,831,620,042.53/201,514.98 - Step 6: Final answer
x = 152,999.15
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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.