Finding the Fourth Proportional to 189,496.68, 261,503.73 and 104,611.92
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Solution
The fourth proportional to 189,496.68, 261,503.73 and 104,611.92 is: 144,363.52
Step by Step Solution
- Step 1: Write the proportion equation
189,496.68 : 261,503.73 = 104,611.92 : x - Step 2: Convert to fraction form
189,496.68/261,503.73 = 104,611.92/x - Step 3: Cross multiply
189,496.68x = 261,503.73 × 104,611.92 - Step 4: Simplify right side
189,496.68x = 27,356,407,282.46 - Step 5: Solve for x
x = 27,356,407,282.46/189,496.68 - Step 6: Final answer
x = 144,363.52
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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.