Finding the Fourth Proportional to 159,704.20, 239,750.70 and 80,777.80
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Solution
The fourth proportional to 159,704.20, 239,750.70 and 80,777.80 is: 121,265.03
Step by Step Solution
- Step 1: Write the proportion equation
159,704.20 : 239,750.70 = 80,777.80 : x - Step 2: Convert to fraction form
159,704.20/239,750.70 = 80,777.80/x - Step 3: Cross multiply
159,704.20x = 239,750.70 × 80,777.80 - Step 4: Simplify right side
159,704.20x = 19,366,534,094.46 - Step 5: Solve for x
x = 19,366,534,094.46/159,704.20 - Step 6: Final answer
x = 121,265.03
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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.