Finding the Fourth Proportional to 373,310.91, 515,169.18 and 212,161.80
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Solution
The fourth proportional to 373,310.91, 515,169.18 and 212,161.80 is: 292,783.35
Step by Step Solution
- Step 1: Write the proportion equation
373,310.91 : 515,169.18 = 212,161.80 : x - Step 2: Convert to fraction form
373,310.91/515,169.18 = 212,161.80/x - Step 3: Cross multiply
373,310.91x = 515,169.18 × 212,161.80 - Step 4: Simplify right side
373,310.91x = 109,299,220,533.32 - Step 5: Solve for x
x = 109,299,220,533.32/373,310.91 - Step 6: Final answer
x = 292,783.35
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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.