Finding the Fourth Proportional to 512,327.84, 768,475.35 and 231,845.09
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Solution
The fourth proportional to 512,327.84, 768,475.35 and 231,845.09 is: 347,760.20
Step by Step Solution
- Step 1: Write the proportion equation
512,327.84 : 768,475.35 = 231,845.09 : x - Step 2: Convert to fraction form
512,327.84/768,475.35 = 231,845.09/x - Step 3: Cross multiply
512,327.84x = 768,475.35 × 231,845.09 - Step 4: Simplify right side
512,327.84x = 178,167,232,841.16 - Step 5: Solve for x
x = 178,167,232,841.16/512,327.84 - Step 6: Final answer
x = 347,760.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.