Finding the Fourth Proportional to 226,438.42, 339,706.64 and 68,678.78
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Solution
The fourth proportional to 226,438.42, 339,706.64 and 68,678.78 is: 103,033.03
Step by Step Solution
- Step 1: Write the proportion equation
226,438.42 : 339,706.64 = 68,678.78 : x - Step 2: Convert to fraction form
226,438.42/339,706.64 = 68,678.78/x - Step 3: Cross multiply
226,438.42x = 339,706.64 × 68,678.78 - Step 4: Simplify right side
226,438.42x = 23,330,637,593.10 - Step 5: Solve for x
x = 23,330,637,593.10/226,438.42 - Step 6: Final answer
x = 103,033.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.