Finding the Fourth Proportional to 211,865.44, 292,375.56 and 116,369.68
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Solution
The fourth proportional to 211,865.44, 292,375.56 and 116,369.68 is: 160,590.85
Step by Step Solution
- Step 1: Write the proportion equation
211,865.44 : 292,375.56 = 116,369.68 : x - Step 2: Convert to fraction form
211,865.44/292,375.56 = 116,369.68/x - Step 3: Cross multiply
211,865.44x = 292,375.56 × 116,369.68 - Step 4: Simplify right side
211,865.44x = 34,023,650,357.02 - Step 5: Solve for x
x = 34,023,650,357.02/211,865.44 - Step 6: Final answer
x = 160,590.85
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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.