Finding the Fourth Proportional to 236,826.48, 326,819.97 and 129,397.32
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Solution
The fourth proportional to 236,826.48, 326,819.97 and 129,397.32 is: 178,567.99
Step by Step Solution
- Step 1: Write the proportion equation
236,826.48 : 326,819.97 = 129,397.32 : x - Step 2: Convert to fraction form
236,826.48/326,819.97 = 129,397.32/x - Step 3: Cross multiply
236,826.48x = 326,819.97 × 129,397.32 - Step 4: Simplify right side
236,826.48x = 42,289,628,240.48 - Step 5: Solve for x
x = 42,289,628,240.48/236,826.48 - Step 6: Final answer
x = 178,567.99
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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.