Finding the Fourth Proportional to 186,757.78, 257,727.60 and 101,876.62
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Solution
The fourth proportional to 186,757.78, 257,727.60 and 101,876.62 is: 140,590.75
Step by Step Solution
- Step 1: Write the proportion equation
186,757.78 : 257,727.60 = 101,876.62 : x - Step 2: Convert to fraction form
186,757.78/257,727.60 = 101,876.62/x - Step 3: Cross multiply
186,757.78x = 257,727.60 × 101,876.62 - Step 4: Simplify right side
186,757.78x = 26,256,416,768.71 - Step 5: Solve for x
x = 26,256,416,768.71/186,757.78 - Step 6: Final answer
x = 140,590.75
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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.