Finding the Fourth Proportional to 851,684.13, 1,277,792.67 and 252,648.42
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Solution
The fourth proportional to 851,684.13, 1,277,792.67 and 252,648.42 is: 379,051.68
Step by Step Solution
- Step 1: Write the proportion equation
851,684.13 : 1,277,792.67 = 252,648.42 : x - Step 2: Convert to fraction form
851,684.13/1,277,792.67 = 252,648.42/x - Step 3: Cross multiply
851,684.13x = 1,277,792.67 × 252,648.42 - Step 4: Simplify right side
851,684.13x = 322,832,299,163.08 - Step 5: Solve for x
x = 322,832,299,163.08/851,684.13 - Step 6: Final answer
x = 379,051.68
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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.