Finding the Fourth Proportional to 189,837.08, 261,964.70 and 104,949.08
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Solution
The fourth proportional to 189,837.08, 261,964.70 and 104,949.08 is: 144,823.94
Step by Step Solution
- Step 1: Write the proportion equation
189,837.08 : 261,964.70 = 104,949.08 : x - Step 2: Convert to fraction form
189,837.08/261,964.70 = 104,949.08/x - Step 3: Cross multiply
189,837.08x = 261,964.70 × 104,949.08 - Step 4: Simplify right side
189,837.08x = 27,492,954,257.48 - Step 5: Solve for x
x = 27,492,954,257.48/189,837.08 - Step 6: Final answer
x = 144,823.94
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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.