Finding the Fourth Proportional to 121,368.97, 182,033.94 and 51,239.17
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Solution
The fourth proportional to 121,368.97, 182,033.94 and 51,239.17 is: 76,850.52
Step by Step Solution
- Step 1: Write the proportion equation
121,368.97 : 182,033.94 = 51,239.17 : x - Step 2: Convert to fraction form
121,368.97/182,033.94 = 51,239.17/x - Step 3: Cross multiply
121,368.97x = 182,033.94 × 51,239.17 - Step 4: Simplify right side
121,368.97x = 9,327,267,997.43 - Step 5: Solve for x
x = 9,327,267,997.43/121,368.97 - Step 6: Final answer
x = 76,850.52
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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.