Finding the Fourth Proportional to 236,469.63, 326,335.03 and 129,046.59
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Solution
The fourth proportional to 236,469.63, 326,335.03 and 129,046.59 is: 178,088.08
Step by Step Solution
- Step 1: Write the proportion equation
236,469.63 : 326,335.03 = 129,046.59 : x - Step 2: Convert to fraction form
236,469.63/326,335.03 = 129,046.59/x - Step 3: Cross multiply
236,469.63x = 326,335.03 × 129,046.59 - Step 4: Simplify right side
236,469.63x = 42,112,422,819.05 - Step 5: Solve for x
x = 42,112,422,819.05/236,469.63 - Step 6: Final answer
x = 178,088.08
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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.