Finding the Fourth Proportional to 236,702.69, 326,635.26 and 129,250.88
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Solution
The fourth proportional to 236,702.69, 326,635.26 and 129,250.88 is: 178,358.32
Step by Step Solution
- Step 1: Write the proportion equation
236,702.69 : 326,635.26 = 129,250.88 : x - Step 2: Convert to fraction form
236,702.69/326,635.26 = 129,250.88/x - Step 3: Cross multiply
236,702.69x = 326,635.26 × 129,250.88 - Step 4: Simplify right side
236,702.69x = 42,217,894,794.03 - Step 5: Solve for x
x = 42,217,894,794.03/236,702.69 - Step 6: Final answer
x = 178,358.32
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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.