Finding the Fourth Proportional to 198,052.79, 273,310.99 and 107,410.76
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Solution
The fourth proportional to 198,052.79, 273,310.99 and 107,410.76 is: 148,225.83
Step by Step Solution
- Step 1: Write the proportion equation
198,052.79 : 273,310.99 = 107,410.76 : x - Step 2: Convert to fraction form
198,052.79/273,310.99 = 107,410.76/x - Step 3: Cross multiply
198,052.79x = 273,310.99 × 107,410.76 - Step 4: Simplify right side
198,052.79x = 29,356,539,785.70 - Step 5: Solve for x
x = 29,356,539,785.70/198,052.79 - Step 6: Final answer
x = 148,225.83
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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.