Finding the Fourth Proportional to 547,028.88, 754,832.16 and 305,324.88
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Solution
The fourth proportional to 547,028.88, 754,832.16 and 305,324.88 is: 421,310.55
Step by Step Solution
- Step 1: Write the proportion equation
547,028.88 : 754,832.16 = 305,324.88 : x - Step 2: Convert to fraction form
547,028.88/754,832.16 = 305,324.88/x - Step 3: Cross multiply
547,028.88x = 754,832.16 × 305,324.88 - Step 4: Simplify right side
547,028.88x = 230,469,038,672.14 - Step 5: Solve for x
x = 230,469,038,672.14/547,028.88 - Step 6: Final answer
x = 421,310.55
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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.