Finding the Fourth Proportional to 110,891.80, 166,359.30 and 47,711.80
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Solution
The fourth proportional to 110,891.80, 166,359.30 and 47,711.80 is: 71,576.99
Step by Step Solution
- Step 1: Write the proportion equation
110,891.80 : 166,359.30 = 47,711.80 : x - Step 2: Convert to fraction form
110,891.80/166,359.30 = 47,711.80/x - Step 3: Cross multiply
110,891.80x = 166,359.30 × 47,711.80 - Step 4: Simplify right side
110,891.80x = 7,937,301,649.74 - Step 5: Solve for x
x = 7,937,301,649.74/110,891.80 - Step 6: Final answer
x = 71,576.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.