Finding the Fourth Proportional to 373,276.80, 515,129.76 and 209,936.46
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Solution
The fourth proportional to 373,276.80, 515,129.76 and 209,936.46 is: 289,716.69
Step by Step Solution
- Step 1: Write the proportion equation
373,276.80 : 515,129.76 = 209,936.46 : x - Step 2: Convert to fraction form
373,276.80/515,129.76 = 209,936.46/x - Step 3: Cross multiply
373,276.80x = 515,129.76 × 209,936.46 - Step 4: Simplify right side
373,276.80x = 108,144,518,255.05 - Step 5: Solve for x
x = 108,144,518,255.05/373,276.80 - Step 6: Final answer
x = 289,716.69
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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.