Finding the Fourth Proportional to 171,745.23, 236,959.92 and 111,318.42
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Solution
The fourth proportional to 171,745.23, 236,959.92 and 111,318.42 is: 153,587.99
Step by Step Solution
- Step 1: Write the proportion equation
171,745.23 : 236,959.92 = 111,318.42 : x - Step 2: Convert to fraction form
171,745.23/236,959.92 = 111,318.42/x - Step 3: Cross multiply
171,745.23x = 236,959.92 × 111,318.42 - Step 4: Simplify right side
171,745.23x = 26,378,003,897.73 - Step 5: Solve for x
x = 26,378,003,897.73/171,745.23 - Step 6: Final answer
x = 153,587.99
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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.