Finding the Fourth Proportional to 373,401.99, 515,274.48 and 212,234.67
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Solution
The fourth proportional to 373,401.99, 515,274.48 and 212,234.67 is: 292,872.33
Step by Step Solution
- Step 1: Write the proportion equation
373,401.99 : 515,274.48 = 212,234.67 : x - Step 2: Convert to fraction form
373,401.99/515,274.48 = 212,234.67/x - Step 3: Cross multiply
373,401.99x = 515,274.48 × 212,234.67 - Step 4: Simplify right side
373,401.99x = 109,359,109,222.22 - Step 5: Solve for x
x = 109,359,109,222.22/373,401.99 - Step 6: Final answer
x = 292,872.33
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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.