Finding the Fourth Proportional to 338,731.81, 467,416.20 and 195,537.99
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Solution
The fourth proportional to 338,731.81, 467,416.20 and 195,537.99 is: 269,822.97
Step by Step Solution
- Step 1: Write the proportion equation
338,731.81 : 467,416.20 = 195,537.99 : x - Step 2: Convert to fraction form
338,731.81/467,416.20 = 195,537.99/x - Step 3: Cross multiply
338,731.81x = 467,416.20 × 195,537.99 - Step 4: Simplify right side
338,731.81x = 91,397,624,241.44 - Step 5: Solve for x
x = 91,397,624,241.44/338,731.81 - Step 6: Final answer
x = 269,822.97
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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.