Finding the Fourth Proportional to 189,336.64, 261,285.44 and 104,453.68
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Solution
The fourth proportional to 189,336.64, 261,285.44 and 104,453.68 is: 144,146.56
Step by Step Solution
- Step 1: Write the proportion equation
189,336.64 : 261,285.44 = 104,453.68 : x - Step 2: Convert to fraction form
189,336.64/261,285.44 = 104,453.68/x - Step 3: Cross multiply
189,336.64x = 261,285.44 × 104,453.68 - Step 4: Simplify right side
189,336.64x = 27,292,225,738.42 - Step 5: Solve for x
x = 27,292,225,738.42/189,336.64 - Step 6: Final answer
x = 144,146.56
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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.