Finding the Fourth Proportional to 189,043.97, 260,880.18 and 104,161.02
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Solution
The fourth proportional to 189,043.97, 260,880.18 and 104,161.02 is: 143,741.94
Step by Step Solution
- Step 1: Write the proportion equation
189,043.97 : 260,880.18 = 104,161.02 : x - Step 2: Convert to fraction form
189,043.97/260,880.18 = 104,161.02/x - Step 3: Cross multiply
189,043.97x = 260,880.18 × 104,161.02 - Step 4: Simplify right side
189,043.97x = 27,173,545,646.58 - Step 5: Solve for x
x = 27,173,545,646.58/189,043.97 - Step 6: Final answer
x = 143,741.94
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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.