Finding the Fourth Proportional to 751,079.84, 1,126,620.57 and 190,114.34
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Solution
The fourth proportional to 751,079.84, 1,126,620.57 and 190,114.34 is: 285,171.72
Step by Step Solution
- Step 1: Write the proportion equation
751,079.84 : 1,126,620.57 = 190,114.34 : x - Step 2: Convert to fraction form
751,079.84/1,126,620.57 = 190,114.34/x - Step 3: Cross multiply
751,079.84x = 1,126,620.57 × 190,114.34 - Step 4: Simplify right side
751,079.84x = 214,186,726,095.97 - Step 5: Solve for x
x = 214,186,726,095.97/751,079.84 - Step 6: Final answer
x = 285,171.72
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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.