Finding the Fourth Proportional to 197,877.28, 273,098.64 and 122,450.08
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Solution
The fourth proportional to 197,877.28, 273,098.64 and 122,450.08 is: 168,998.43
Step by Step Solution
- Step 1: Write the proportion equation
197,877.28 : 273,098.64 = 122,450.08 : x - Step 2: Convert to fraction form
197,877.28/273,098.64 = 122,450.08/x - Step 3: Cross multiply
197,877.28x = 273,098.64 × 122,450.08 - Step 4: Simplify right side
197,877.28x = 33,440,950,315.89 - Step 5: Solve for x
x = 33,440,950,315.89/197,877.28 - Step 6: Final answer
x = 168,998.43
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1.5x scale
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.