Finding the Fourth Proportional to 228,897.09, 315,874.67 and 126,922.73
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Solution
The fourth proportional to 228,897.09, 315,874.67 and 126,922.73 is: 175,151.52
Step by Step Solution
- Step 1: Write the proportion equation
228,897.09 : 315,874.67 = 126,922.73 : x - Step 2: Convert to fraction form
228,897.09/315,874.67 = 126,922.73/x - Step 3: Cross multiply
228,897.09x = 315,874.67 × 126,922.73 - Step 4: Simplify right side
228,897.09x = 40,091,673,240.26 - Step 5: Solve for x
x = 40,091,673,240.26/228,897.09 - Step 6: Final answer
x = 175,151.52
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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.