Finding the Fourth Proportional to 285,894.99, 394,524.99 and 158,582.43
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Solution
The fourth proportional to 285,894.99, 394,524.99 and 158,582.43 is: 218,838.15
Step by Step Solution
- Step 1: Write the proportion equation
285,894.99 : 394,524.99 = 158,582.43 : x - Step 2: Convert to fraction form
285,894.99/394,524.99 = 158,582.43/x - Step 3: Cross multiply
285,894.99x = 394,524.99 × 158,582.43 - Step 4: Simplify right side
285,894.99x = 62,564,731,609.93 - Step 5: Solve for x
x = 62,564,731,609.93/285,894.99 - Step 6: Final answer
x = 218,838.15
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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.