Finding the Fourth Proportional to 286,021.48, 394,767.08 and 165,182.44
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Solution
The fourth proportional to 286,021.48, 394,767.08 and 165,182.44 is: 227,984.94
Step by Step Solution
- Step 1: Write the proportion equation
286,021.48 : 394,767.08 = 165,182.44 : x - Step 2: Convert to fraction form
286,021.48/394,767.08 = 165,182.44/x - Step 3: Cross multiply
286,021.48x = 394,767.08 × 165,182.44 - Step 4: Simplify right side
286,021.48x = 65,208,589,506.08 - Step 5: Solve for x
x = 65,208,589,506.08/286,021.48 - Step 6: Final answer
x = 227,984.94
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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.