Finding the Fourth Proportional to 202,765.24, 304,197.42 and 142,910.44
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Solution
The fourth proportional to 202,765.24, 304,197.42 and 142,910.44 is: 214,400.59
Step by Step Solution
- Step 1: Write the proportion equation
202,765.24 : 304,197.42 = 142,910.44 : x - Step 2: Convert to fraction form
202,765.24/304,197.42 = 142,910.44/x - Step 3: Cross multiply
202,765.24x = 304,197.42 × 142,910.44 - Step 4: Simplify right side
202,765.24x = 43,472,987,139.06 - Step 5: Solve for x
x = 43,472,987,139.06/202,765.24 - Step 6: Final answer
x = 214,400.59
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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.