Finding the Fourth Proportional to 285,426.63, 394,050.15 and 194,913.99
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Solution
The fourth proportional to 285,426.63, 394,050.15 and 194,913.99 is: 269,091.52
Step by Step Solution
- Step 1: Write the proportion equation
285,426.63 : 394,050.15 = 194,913.99 : x - Step 2: Convert to fraction form
285,426.63/394,050.15 = 194,913.99/x - Step 3: Cross multiply
285,426.63x = 394,050.15 × 194,913.99 - Step 4: Simplify right side
285,426.63x = 76,805,886,996.60 - Step 5: Solve for x
x = 76,805,886,996.60/285,426.63 - Step 6: Final answer
x = 269,091.52
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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.