Finding the Fourth Proportional to 282,616.97, 389,914.88 and 175,147.79
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Solution
The fourth proportional to 282,616.97, 389,914.88 and 175,147.79 is: 241,644.12
Step by Step Solution
- Step 1: Write the proportion equation
282,616.97 : 389,914.88 = 175,147.79 : x - Step 2: Convert to fraction form
282,616.97/389,914.88 = 175,147.79/x - Step 3: Cross multiply
282,616.97x = 389,914.88 × 175,147.79 - Step 4: Simplify right side
282,616.97x = 68,292,728,156.98 - Step 5: Solve for x
x = 68,292,728,156.98/282,616.97 - Step 6: Final answer
x = 241,644.12
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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.