Finding the Fourth Proportional to 285,648.93, 394,207.97 and 158,324.63
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Solution
The fourth proportional to 285,648.93, 394,207.97 and 158,324.63 is: 218,494.88
Step by Step Solution
- Step 1: Write the proportion equation
285,648.93 : 394,207.97 = 158,324.63 : x - Step 2: Convert to fraction form
285,648.93/394,207.97 = 158,324.63/x - Step 3: Cross multiply
285,648.93x = 394,207.97 × 158,324.63 - Step 4: Simplify right side
285,648.93x = 62,412,828,230.64 - Step 5: Solve for x
x = 62,412,828,230.64/285,648.93 - Step 6: Final answer
x = 218,494.88
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1.5x scale
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.