Finding the Fourth Proportional to 373,381.31, 515,305.09 and 230,137.67
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Solution
The fourth proportional to 373,381.31, 515,305.09 and 230,137.67 is: 317,613.95
Step by Step Solution
- Step 1: Write the proportion equation
373,381.31 : 515,305.09 = 230,137.67 : x - Step 2: Convert to fraction form
373,381.31/515,305.09 = 230,137.67/x - Step 3: Cross multiply
373,381.31x = 515,305.09 × 230,137.67 - Step 4: Simplify right side
373,381.31x = 118,591,114,327.68 - Step 5: Solve for x
x = 118,591,114,327.68/373,381.31 - Step 6: Final answer
x = 317,613.95
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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.