Finding the Fourth Proportional to 212,997.15, 319,440.99 and 63,201.99
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Solution
The fourth proportional to 212,997.15, 319,440.99 and 63,201.99 is: 94,786.74
Step by Step Solution
- Step 1: Write the proportion equation
212,997.15 : 319,440.99 = 63,201.99 : x - Step 2: Convert to fraction form
212,997.15/319,440.99 = 63,201.99/x - Step 3: Cross multiply
212,997.15x = 319,440.99 × 63,201.99 - Step 4: Simplify right side
212,997.15x = 20,189,306,255.57 - Step 5: Solve for x
x = 20,189,306,255.57/212,997.15 - Step 6: Final answer
x = 94,786.74
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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.