Finding the Fourth Proportional to 659,785.60, 989,731.84 and 186,474.88
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Solution
The fourth proportional to 659,785.60, 989,731.84 and 186,474.88 is: 279,727.42
Step by Step Solution
- Step 1: Write the proportion equation
659,785.60 : 989,731.84 = 186,474.88 : x - Step 2: Convert to fraction form
659,785.60/989,731.84 = 186,474.88/x - Step 3: Cross multiply
659,785.60x = 989,731.84 × 186,474.88 - Step 4: Simplify right side
659,785.60x = 184,560,126,096.18 - Step 5: Solve for x
x = 184,560,126,096.18/659,785.60 - Step 6: Final answer
x = 279,727.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.