Finding the Fourth Proportional to 373,391.49, 515,259.99 and 212,224.17
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Solution
The fourth proportional to 373,391.49, 515,259.99 and 212,224.17 is: 292,857.84
Step by Step Solution
- Step 1: Write the proportion equation
373,391.49 : 515,259.99 = 212,224.17 : x - Step 2: Convert to fraction form
373,391.49/515,259.99 = 212,224.17/x - Step 3: Cross multiply
373,391.49x = 515,259.99 × 212,224.17 - Step 4: Simplify right side
373,391.49x = 109,350,623,711.96 - Step 5: Solve for x
x = 109,350,623,711.96/373,391.49 - Step 6: Final answer
x = 292,857.84
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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.