Finding the Fourth Proportional to 118,245.51, 177,214.25 and 48,042.75
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Solution
The fourth proportional to 118,245.51, 177,214.25 and 48,042.75 is: 72,001.55
Step by Step Solution
- Step 1: Write the proportion equation
118,245.51 : 177,214.25 = 48,042.75 : x - Step 2: Convert to fraction form
118,245.51/177,214.25 = 48,042.75/x - Step 3: Cross multiply
118,245.51x = 177,214.25 × 48,042.75 - Step 4: Simplify right side
118,245.51x = 8,513,859,668.97 - Step 5: Solve for x
x = 8,513,859,668.97/118,245.51 - Step 6: Final answer
x = 72,001.55
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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.