Finding the Fourth Proportional to 102,816.99, 154,228.53 and 27,936.75
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Solution
The fourth proportional to 102,816.99, 154,228.53 and 27,936.75 is: 41,905.95
Step by Step Solution
- Step 1: Write the proportion equation
102,816.99 : 154,228.53 = 27,936.75 : x - Step 2: Convert to fraction form
102,816.99/154,228.53 = 27,936.75/x - Step 3: Cross multiply
102,816.99x = 154,228.53 × 27,936.75 - Step 4: Simplify right side
102,816.99x = 4,308,643,885.48 - Step 5: Solve for x
x = 4,308,643,885.48/102,816.99 - Step 6: Final answer
x = 41,905.95
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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.