Finding the Fourth Proportional to 251,214.24, 346,675.92 and 138,043.68
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Solution
The fourth proportional to 251,214.24, 346,675.92 and 138,043.68 is: 190,500.43
Step by Step Solution
- Step 1: Write the proportion equation
251,214.24 : 346,675.92 = 138,043.68 : x - Step 2: Convert to fraction form
251,214.24/346,675.92 = 138,043.68/x - Step 3: Cross multiply
251,214.24x = 346,675.92 × 138,043.68 - Step 4: Simplify right side
251,214.24x = 47,856,419,764.19 - Step 5: Solve for x
x = 47,856,419,764.19/251,214.24 - Step 6: Final answer
x = 190,500.43
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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.