Finding the Fourth Proportional to 189,336.23, 261,283.97 and 104,453.28
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Solution
The fourth proportional to 189,336.23, 261,283.97 and 104,453.28 is: 144,145.51
Step by Step Solution
- Step 1: Write the proportion equation
189,336.23 : 261,283.97 = 104,453.28 : x - Step 2: Convert to fraction form
189,336.23/261,283.97 = 104,453.28/x - Step 3: Cross multiply
189,336.23x = 261,283.97 × 104,453.28 - Step 4: Simplify right side
189,336.23x = 27,291,967,155.66 - Step 5: Solve for x
x = 27,291,967,155.66/189,336.23 - Step 6: Final answer
x = 144,145.51
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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.