Finding the Fourth Proportional to 232,745.09, 321,188.49 and 132,143.09
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Solution
The fourth proportional to 232,745.09, 321,188.49 and 132,143.09 is: 182,357.61
Step by Step Solution
- Step 1: Write the proportion equation
232,745.09 : 321,188.49 = 132,143.09 : x - Step 2: Convert to fraction form
232,745.09/321,188.49 = 132,143.09/x - Step 3: Cross multiply
232,745.09x = 321,188.49 × 132,143.09 - Step 4: Simplify right side
232,745.09x = 42,442,837,935.09 - Step 5: Solve for x
x = 42,442,837,935.09/232,745.09 - Step 6: Final answer
x = 182,357.61
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1.5x scale
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.