Finding the Fourth Proportional to 251,396.28, 346,932.99 and 138,219.03
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Solution
The fourth proportional to 251,396.28, 346,932.99 and 138,219.03 is: 190,745.63
Step by Step Solution
- Step 1: Write the proportion equation
251,396.28 : 346,932.99 = 138,219.03 : x - Step 2: Convert to fraction form
251,396.28/346,932.99 = 138,219.03/x - Step 3: Cross multiply
251,396.28x = 346,932.99 × 138,219.03 - Step 4: Simplify right side
251,396.28x = 47,952,741,352.80 - Step 5: Solve for x
x = 47,952,741,352.80/251,396.28 - Step 6: Final answer
x = 190,745.63
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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.