Finding the Fourth Proportional to 136,731.99, 205,096.77 and 47,964.70
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Solution
The fourth proportional to 136,731.99, 205,096.77 and 47,964.70 is: 71,946.62
Step by Step Solution
- Step 1: Write the proportion equation
136,731.99 : 205,096.77 = 47,964.70 : x - Step 2: Convert to fraction form
136,731.99/205,096.77 = 47,964.70/x - Step 3: Cross multiply
136,731.99x = 205,096.77 × 47,964.70 - Step 4: Simplify right side
136,731.99x = 9,837,404,531.28 - Step 5: Solve for x
x = 9,837,404,531.28/136,731.99 - Step 6: Final answer
x = 71,946.62
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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.