Finding the Fourth Proportional to 373,362.49, 515,219.97 and 212,195.17
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Solution
The fourth proportional to 373,362.49, 515,219.97 and 212,195.17 is: 292,817.82
Step by Step Solution
- Step 1: Write the proportion equation
373,362.49 : 515,219.97 = 212,195.17 : x - Step 2: Convert to fraction form
373,362.49/515,219.97 = 212,195.17/x - Step 3: Cross multiply
373,362.49x = 515,219.97 × 212,195.17 - Step 4: Simplify right side
373,362.49x = 109,327,189,121.55 - Step 5: Solve for x
x = 109,327,189,121.55/373,362.49 - Step 6: Final answer
x = 292,817.82
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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.