Finding the Fourth Proportional to 189,496.02, 261,497.64 and 104,611.26
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Solution
The fourth proportional to 189,496.02, 261,497.64 and 104,611.26 is: 144,359.75
Step by Step Solution
- Step 1: Write the proportion equation
189,496.02 : 261,497.64 = 104,611.26 : x - Step 2: Convert to fraction form
189,496.02/261,497.64 = 104,611.26/x - Step 3: Cross multiply
189,496.02x = 261,497.64 × 104,611.26 - Step 4: Simplify right side
189,496.02x = 27,355,597,607.43 - Step 5: Solve for x
x = 27,355,597,607.43/189,496.02 - Step 6: Final answer
x = 144,359.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.