Finding the Fourth Proportional to 231,129.77, 346,217.09 and 136,067.09
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Solution
The fourth proportional to 231,129.77, 346,217.09 and 136,067.09 is: 203,819.48
Step by Step Solution
- Step 1: Write the proportion equation
231,129.77 : 346,217.09 = 136,067.09 : x - Step 2: Convert to fraction form
231,129.77/346,217.09 = 136,067.09/x - Step 3: Cross multiply
231,129.77x = 346,217.09 × 136,067.09 - Step 4: Simplify right side
231,129.77x = 47,108,749,533.15 - Step 5: Solve for x
x = 47,108,749,533.15/231,129.77 - Step 6: Final answer
x = 203,819.48
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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.