Finding the Fourth Proportional to 252,613.80, 378,838.69 and 84,088.88
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Solution
The fourth proportional to 252,613.80, 378,838.69 and 84,088.88 is: 126,106.02
Step by Step Solution
- Step 1: Write the proportion equation
252,613.80 : 378,838.69 = 84,088.88 : x - Step 2: Convert to fraction form
252,613.80/378,838.69 = 84,088.88/x - Step 3: Cross multiply
252,613.80x = 378,838.69 × 84,088.88 - Step 4: Simplify right side
252,613.80x = 31,856,120,370.00 - Step 5: Solve for x
x = 31,856,120,370.00/252,613.80 - Step 6: Final answer
x = 126,106.02
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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.