Finding the Fourth Proportional to 156,175.96, 215,522.52 and 84,555.97
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Solution
The fourth proportional to 156,175.96, 215,522.52 and 84,555.97 is: 116,687.07
Step by Step Solution
- Step 1: Write the proportion equation
156,175.96 : 215,522.52 = 84,555.97 : x - Step 2: Convert to fraction form
156,175.96/215,522.52 = 84,555.97/x - Step 3: Cross multiply
156,175.96x = 215,522.52 × 84,555.97 - Step 4: Simplify right side
156,175.96x = 18,223,715,735.44 - Step 5: Solve for x
x = 18,223,715,735.44/156,175.96 - Step 6: Final answer
x = 116,687.07
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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.