Finding the Fourth Proportional to 189,785.01, 261,908.61 and 104,907.53
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Solution
The fourth proportional to 189,785.01, 261,908.61 and 104,907.53 is: 144,775.32
Step by Step Solution
- Step 1: Write the proportion equation
189,785.01 : 261,908.61 = 104,907.53 : x - Step 2: Convert to fraction form
189,785.01/261,908.61 = 104,907.53/x - Step 3: Cross multiply
189,785.01x = 261,908.61 × 104,907.53 - Step 4: Simplify right side
189,785.01x = 27,476,184,836.30 - Step 5: Solve for x
x = 27,476,184,836.30/189,785.01 - Step 6: Final answer
x = 144,775.32
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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.