Finding the Fourth Proportional to 252,640.92, 378,632.31 and 102,706.08
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Solution
The fourth proportional to 252,640.92, 378,632.31 and 102,706.08 is: 153,925.34
Step by Step Solution
- Step 1: Write the proportion equation
252,640.92 : 378,632.31 = 102,706.08 : x - Step 2: Convert to fraction form
252,640.92/378,632.31 = 102,706.08/x - Step 3: Cross multiply
252,640.92x = 378,632.31 × 102,706.08 - Step 4: Simplify right side
252,640.92x = 38,887,840,321.44 - Step 5: Solve for x
x = 38,887,840,321.44/252,640.92 - Step 6: Final answer
x = 153,925.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.