Finding the Fourth Proportional to 213,174.99, 294,173.82 and 117,679.64
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Solution
The fourth proportional to 213,174.99, 294,173.82 and 117,679.64 is: 162,393.66
Step by Step Solution
- Step 1: Write the proportion equation
213,174.99 : 294,173.82 = 117,679.64 : x - Step 2: Convert to fraction form
213,174.99/294,173.82 = 117,679.64/x - Step 3: Cross multiply
213,174.99x = 294,173.82 × 117,679.64 - Step 4: Simplify right side
213,174.99x = 34,618,267,764.16 - Step 5: Solve for x
x = 34,618,267,764.16/213,174.99 - Step 6: Final answer
x = 162,393.66
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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.