Finding the Fourth Proportional to 236,775.26, 326,745.74 and 129,342.53
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Solution
The fourth proportional to 236,775.26, 326,745.74 and 129,342.53 is: 178,490.44
Step by Step Solution
- Step 1: Write the proportion equation
236,775.26 : 326,745.74 = 129,342.53 : x - Step 2: Convert to fraction form
236,775.26/326,745.74 = 129,342.53/x - Step 3: Cross multiply
236,775.26x = 326,745.74 × 129,342.53 - Step 4: Simplify right side
236,775.26x = 42,262,121,818.54 - Step 5: Solve for x
x = 42,262,121,818.54/236,775.26 - Step 6: Final answer
x = 178,490.44
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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.