Finding the Fourth Proportional to 194,475.60, 291,252.60 and 131,806.80
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Solution
The fourth proportional to 194,475.60, 291,252.60 and 131,806.80 is: 197,397.89
Step by Step Solution
- Step 1: Write the proportion equation
194,475.60 : 291,252.60 = 131,806.80 : x - Step 2: Convert to fraction form
194,475.60/291,252.60 = 131,806.80/x - Step 3: Cross multiply
194,475.60x = 291,252.60 × 131,806.80 - Step 4: Simplify right side
194,475.60x = 38,389,073,197.68 - Step 5: Solve for x
x = 38,389,073,197.68/194,475.60 - Step 6: Final answer
x = 197,397.89
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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.