Finding the Fourth Proportional to 643,567.48, 965,354.42 and 264,694.84
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Solution
The fourth proportional to 643,567.48, 965,354.42 and 264,694.84 is: 397,043.58
Step by Step Solution
- Step 1: Write the proportion equation
643,567.48 : 965,354.42 = 264,694.84 : x - Step 2: Convert to fraction form
643,567.48/965,354.42 = 264,694.84/x - Step 3: Cross multiply
643,567.48x = 965,354.42 × 264,694.84 - Step 4: Simplify right side
643,567.48x = 255,524,333,745.19 - Step 5: Solve for x
x = 255,524,333,745.19/643,567.48 - Step 6: Final answer
x = 397,043.58
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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.