Finding the Fourth Proportional to 189,230.68, 261,040.62 and 117,583.48
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Solution
The fourth proportional to 189,230.68, 261,040.62 and 117,583.48 is: 162,204.48
Step by Step Solution
- Step 1: Write the proportion equation
189,230.68 : 261,040.62 = 117,583.48 : x - Step 2: Convert to fraction form
189,230.68/261,040.62 = 117,583.48/x - Step 3: Cross multiply
189,230.68x = 261,040.62 × 117,583.48 - Step 4: Simplify right side
189,230.68x = 30,694,064,520.96 - Step 5: Solve for x
x = 30,694,064,520.96/189,230.68 - Step 6: Final answer
x = 162,204.48
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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.