Finding the Fourth Proportional to 189,344.64, 261,296.46 and 104,461.68
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Solution
The fourth proportional to 189,344.64, 261,296.46 and 104,461.68 is: 144,157.59
Step by Step Solution
- Step 1: Write the proportion equation
189,344.64 : 261,296.46 = 104,461.68 : x - Step 2: Convert to fraction form
189,344.64/261,296.46 = 104,461.68/x - Step 3: Cross multiply
189,344.64x = 261,296.46 × 104,461.68 - Step 4: Simplify right side
189,344.64x = 27,295,467,189.65 - Step 5: Solve for x
x = 27,295,467,189.65/189,344.64 - Step 6: Final answer
x = 144,157.59
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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.