Finding the Fourth Proportional to 465,843.16, 642,859.69 and 261,894.99
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Solution
The fourth proportional to 465,843.16, 642,859.69 and 261,894.99 is: 361,412.91
Step by Step Solution
- Step 1: Write the proportion equation
465,843.16 : 642,859.69 = 261,894.99 : x - Step 2: Convert to fraction form
465,843.16/642,859.69 = 261,894.99/x - Step 3: Cross multiply
465,843.16x = 642,859.69 × 261,894.99 - Step 4: Simplify right side
465,843.16x = 168,361,732,083.95 - Step 5: Solve for x
x = 168,361,732,083.95/465,843.16 - Step 6: Final answer
x = 361,412.91
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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.