Finding the Fourth Proportional to 132,311.26, 182,498.97 and 84,543.40
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Solution
The fourth proportional to 132,311.26, 182,498.97 and 84,543.40 is: 116,612.02
Step by Step Solution
- Step 1: Write the proportion equation
132,311.26 : 182,498.97 = 84,543.40 : x - Step 2: Convert to fraction form
132,311.26/182,498.97 = 84,543.40/x - Step 3: Cross multiply
132,311.26x = 182,498.97 × 84,543.40 - Step 4: Simplify right side
132,311.26x = 15,429,083,420.30 - Step 5: Solve for x
x = 15,429,083,420.30/132,311.26 - Step 6: Final answer
x = 116,612.02
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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.