Finding the Fourth Proportional to 212,135.62, 292,748.25 and 116,648.50
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Solution
The fourth proportional to 212,135.62, 292,748.25 and 116,648.50 is: 160,975.53
Step by Step Solution
- Step 1: Write the proportion equation
212,135.62 : 292,748.25 = 116,648.50 : x - Step 2: Convert to fraction form
212,135.62/292,748.25 = 116,648.50/x - Step 3: Cross multiply
212,135.62x = 292,748.25 × 116,648.50 - Step 4: Simplify right side
212,135.62x = 34,148,644,240.13 - Step 5: Solve for x
x = 34,148,644,240.13/212,135.62 - Step 6: Final answer
x = 160,975.53
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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.