Finding the Fourth Proportional to 236,079.58, 325,780.33 and 128,647.31
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Solution
The fourth proportional to 236,079.58, 325,780.33 and 128,647.31 is: 177,528.12
Step by Step Solution
- Step 1: Write the proportion equation
236,079.58 : 325,780.33 = 128,647.31 : x - Step 2: Convert to fraction form
236,079.58/325,780.33 = 128,647.31/x - Step 3: Cross multiply
236,079.58x = 325,780.33 × 128,647.31 - Step 4: Simplify right side
236,079.58x = 41,910,763,105.41 - Step 5: Solve for x
x = 41,910,763,105.41/236,079.58 - Step 6: Final answer
x = 177,528.12
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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.