Finding the Fourth Proportional to 465,107.84, 641,840.64 and 261,160.37
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Solution
The fourth proportional to 465,107.84, 641,840.64 and 261,160.37 is: 360,396.71
Step by Step Solution
- Step 1: Write the proportion equation
465,107.84 : 641,840.64 = 261,160.37 : x - Step 2: Convert to fraction form
465,107.84/641,840.64 = 261,160.37/x - Step 3: Cross multiply
465,107.84x = 641,840.64 × 261,160.37 - Step 4: Simplify right side
465,107.84x = 167,623,335,814.23 - Step 5: Solve for x
x = 167,623,335,814.23/465,107.84 - Step 6: Final answer
x = 360,396.71
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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.