Finding the Fourth Proportional to 285,575.07, 394,095.95 and 158,252.79
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Solution
The fourth proportional to 285,575.07, 394,095.95 and 158,252.79 is: 218,390.15
Step by Step Solution
- Step 1: Write the proportion equation
285,575.07 : 394,095.95 = 158,252.79 : x - Step 2: Convert to fraction form
285,575.07/394,095.95 = 158,252.79/x - Step 3: Cross multiply
285,575.07x = 394,095.95 × 158,252.79 - Step 4: Simplify right side
285,575.07x = 62,366,783,615.20 - Step 5: Solve for x
x = 62,366,783,615.20/285,575.07 - Step 6: Final answer
x = 218,390.15
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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.