Finding the Fourth Proportional to 225,728.24, 338,703.36 and 90,786.96
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Solution
The fourth proportional to 225,728.24, 338,703.36 and 90,786.96 is: 136,225.08
Step by Step Solution
- Step 1: Write the proportion equation
225,728.24 : 338,703.36 = 90,786.96 : x - Step 2: Convert to fraction form
225,728.24/338,703.36 = 90,786.96/x - Step 3: Cross multiply
225,728.24x = 338,703.36 × 90,786.96 - Step 4: Simplify right side
225,728.24x = 30,749,848,396.19 - Step 5: Solve for x
x = 30,749,848,396.19/225,728.24 - Step 6: Final answer
x = 136,225.08
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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.