Finding the Fourth Proportional to 198,265.79, 273,607.02 and 107,621.70
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Solution
The fourth proportional to 198,265.79, 273,607.02 and 107,621.70 is: 148,518.07
Step by Step Solution
- Step 1: Write the proportion equation
198,265.79 : 273,607.02 = 107,621.70 : x - Step 2: Convert to fraction form
198,265.79/273,607.02 = 107,621.70/x - Step 3: Cross multiply
198,265.79x = 273,607.02 × 107,621.70 - Step 4: Simplify right side
198,265.79x = 29,446,052,624.33 - Step 5: Solve for x
x = 29,446,052,624.33/198,265.79 - Step 6: Final answer
x = 148,518.07
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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.