Finding the Fourth Proportional to 343,893.75, 474,617.13 and 192,990.75
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Solution
The fourth proportional to 343,893.75, 474,617.13 and 192,990.75 is: 266,351.79
Step by Step Solution
- Step 1: Write the proportion equation
343,893.75 : 474,617.13 = 192,990.75 : x - Step 2: Convert to fraction form
343,893.75/474,617.13 = 192,990.75/x - Step 3: Cross multiply
343,893.75x = 474,617.13 × 192,990.75 - Step 4: Simplify right side
343,893.75x = 91,596,715,881.55 - Step 5: Solve for x
x = 91,596,715,881.55/343,893.75 - Step 6: Final answer
x = 266,351.79
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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.