Finding the Fourth Proportional to 156,186.79, 215,537.49 and 84,566.79
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Solution
The fourth proportional to 156,186.79, 215,537.49 and 84,566.79 is: 116,702.02
Step by Step Solution
- Step 1: Write the proportion equation
156,186.79 : 215,537.49 = 84,566.79 : x - Step 2: Convert to fraction form
156,186.79/215,537.49 = 84,566.79/x - Step 3: Cross multiply
156,186.79x = 215,537.49 × 84,566.79 - Step 4: Simplify right side
156,186.79x = 18,227,313,653.96 - Step 5: Solve for x
x = 18,227,313,653.96/156,186.79 - Step 6: Final answer
x = 116,702.02
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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.