Finding the Fourth Proportional to 261,134.63, 360,338.66 and 153,698.26
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Solution
The fourth proportional to 261,134.63, 360,338.66 and 153,698.26 is: 212,087.62
Step by Step Solution
- Step 1: Write the proportion equation
261,134.63 : 360,338.66 = 153,698.26 : x - Step 2: Convert to fraction form
261,134.63/360,338.66 = 153,698.26/x - Step 3: Cross multiply
261,134.63x = 360,338.66 × 153,698.26 - Step 4: Simplify right side
261,134.63x = 55,383,423,251.04 - Step 5: Solve for x
x = 55,383,423,251.04/261,134.63 - Step 6: Final answer
x = 212,087.62
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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.