Finding the Fourth Proportional to 215,998.40, 324,094.80 and 97,608.80
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Solution
The fourth proportional to 215,998.40, 324,094.80 and 97,608.80 is: 146,457.12
Step by Step Solution
- Step 1: Write the proportion equation
215,998.40 : 324,094.80 = 97,608.80 : x - Step 2: Convert to fraction form
215,998.40/324,094.80 = 97,608.80/x - Step 3: Cross multiply
215,998.40x = 324,094.80 × 97,608.80 - Step 4: Simplify right side
215,998.40x = 31,634,504,514.24 - Step 5: Solve for x
x = 31,634,504,514.24/215,998.40 - Step 6: Final answer
x = 146,457.12
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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.