Finding the Fourth Proportional to 236,472.98, 326,339.62 and 129,049.92
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Solution
The fourth proportional to 236,472.98, 326,339.62 and 129,049.92 is: 178,092.66
Step by Step Solution
- Step 1: Write the proportion equation
236,472.98 : 326,339.62 = 129,049.92 : x - Step 2: Convert to fraction form
236,472.98/326,339.62 = 129,049.92/x - Step 3: Cross multiply
236,472.98x = 326,339.62 × 129,049.92 - Step 4: Simplify right side
236,472.98x = 42,114,101,531.21 - Step 5: Solve for x
x = 42,114,101,531.21/236,472.98 - Step 6: Final answer
x = 178,092.66
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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.