Finding the Fourth Proportional to 189,842.24, 261,959.20 and 104,947.52
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Solution
The fourth proportional to 189,842.24, 261,959.20 and 104,947.52 is: 144,814.81
Step by Step Solution
- Step 1: Write the proportion equation
189,842.24 : 261,959.20 = 104,947.52 : x - Step 2: Convert to fraction form
189,842.24/261,959.20 = 104,947.52/x - Step 3: Cross multiply
189,842.24x = 261,959.20 × 104,947.52 - Step 4: Simplify right side
189,842.24x = 27,491,968,381.18 - Step 5: Solve for x
x = 27,491,968,381.18/189,842.24 - Step 6: Final answer
x = 144,814.81
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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.