Finding the Fourth Proportional to 117,122.24, 175,858.32 and 115,372.64
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Solution
The fourth proportional to 117,122.24, 175,858.32 and 115,372.64 is: 173,231.31
Step by Step Solution
- Step 1: Write the proportion equation
117,122.24 : 175,858.32 = 115,372.64 : x - Step 2: Convert to fraction form
117,122.24/175,858.32 = 115,372.64/x - Step 3: Cross multiply
117,122.24x = 175,858.32 × 115,372.64 - Step 4: Simplify right side
117,122.24x = 20,289,238,644.36 - Step 5: Solve for x
x = 20,289,238,644.36/117,122.24 - Step 6: Final answer
x = 173,231.31
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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.