Finding the Fourth Proportional to 547,043.23, 754,957.70 and 305,372.98
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Solution
The fourth proportional to 547,043.23, 754,957.70 and 305,372.98 is: 421,435.95
Step by Step Solution
- Step 1: Write the proportion equation
547,043.23 : 754,957.70 = 305,372.98 : x - Step 2: Convert to fraction form
547,043.23/754,957.70 = 305,372.98/x - Step 3: Cross multiply
547,043.23x = 754,957.70 × 305,372.98 - Step 4: Simplify right side
547,043.23x = 230,543,682,622.95 - Step 5: Solve for x
x = 230,543,682,622.95/547,043.23 - Step 6: Final answer
x = 421,435.95
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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.