Finding the Fourth Proportional to 189,135.36, 283,731.12 and 69,198.48
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Solution
The fourth proportional to 189,135.36, 283,731.12 and 69,198.48 is: 103,807.99
Step by Step Solution
- Step 1: Write the proportion equation
189,135.36 : 283,731.12 = 69,198.48 : x - Step 2: Convert to fraction form
189,135.36/283,731.12 = 69,198.48/x - Step 3: Cross multiply
189,135.36x = 283,731.12 × 69,198.48 - Step 4: Simplify right side
189,135.36x = 19,633,762,232.70 - Step 5: Solve for x
x = 19,633,762,232.70/189,135.36 - Step 6: Final answer
x = 103,807.99
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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.