Finding the Fourth Proportional to 292,872.48, 438,911.24 and 132,748.44
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Solution
The fourth proportional to 292,872.48, 438,911.24 and 132,748.44 is: 198,942.50
Step by Step Solution
- Step 1: Write the proportion equation
292,872.48 : 438,911.24 = 132,748.44 : x - Step 2: Convert to fraction form
292,872.48/438,911.24 = 132,748.44/x - Step 3: Cross multiply
292,872.48x = 438,911.24 × 132,748.44 - Step 4: Simplify right side
292,872.48x = 58,264,782,408.47 - Step 5: Solve for x
x = 58,264,782,408.47/292,872.48 - Step 6: Final answer
x = 198,942.50
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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.