Finding the Fourth Proportional to 286,002.97, 394,684.14 and 158,678.26
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Solution
The fourth proportional to 286,002.97, 394,684.14 and 158,678.26 is: 218,976.02
Step by Step Solution
- Step 1: Write the proportion equation
286,002.97 : 394,684.14 = 158,678.26 : x - Step 2: Convert to fraction form
286,002.97/394,684.14 = 158,678.26/x - Step 3: Cross multiply
286,002.97x = 394,684.14 × 158,678.26 - Step 4: Simplify right side
286,002.97x = 62,627,792,193.13 - Step 5: Solve for x
x = 62,627,792,193.13/286,002.97 - Step 6: Final answer
x = 218,976.02
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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.