Finding the Fourth Proportional to 358,955.89, 538,243.36 and 106,201.56
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Solution
The fourth proportional to 358,955.89, 538,243.36 and 106,201.56 is: 159,245.99
Step by Step Solution
- Step 1: Write the proportion equation
358,955.89 : 538,243.36 = 106,201.56 : x - Step 2: Convert to fraction form
358,955.89/538,243.36 = 106,201.56/x - Step 3: Cross multiply
358,955.89x = 538,243.36 × 106,201.56 - Step 4: Simplify right side
358,955.89x = 57,162,286,244.55 - Step 5: Solve for x
x = 57,162,286,244.55/358,955.89 - Step 6: Final answer
x = 159,245.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.