Finding the Fourth Proportional to 236,702.44, 326,636.71 and 129,251.49
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Solution
The fourth proportional to 236,702.44, 326,636.71 and 129,251.49 is: 178,360.14
Step by Step Solution
- Step 1: Write the proportion equation
236,702.44 : 326,636.71 = 129,251.49 : x - Step 2: Convert to fraction form
236,702.44/326,636.71 = 129,251.49/x - Step 3: Cross multiply
236,702.44x = 326,636.71 × 129,251.49 - Step 4: Simplify right side
236,702.44x = 42,218,281,456.20 - Step 5: Solve for x
x = 42,218,281,456.20/236,702.44 - Step 6: Final answer
x = 178,360.14
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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.