Finding the Fourth Proportional to 273,489.73, 377,453.87 and 152,638.79
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Solution
The fourth proportional to 273,489.73, 377,453.87 and 152,638.79 is: 210,662.76
Step by Step Solution
- Step 1: Write the proportion equation
273,489.73 : 377,453.87 = 152,638.79 : x - Step 2: Convert to fraction form
273,489.73/377,453.87 = 152,638.79/x - Step 3: Cross multiply
273,489.73x = 377,453.87 × 152,638.79 - Step 4: Simplify right side
273,489.73x = 57,614,101,997.62 - Step 5: Solve for x
x = 57,614,101,997.62/273,489.73 - Step 6: Final answer
x = 210,662.76
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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.