Finding the Fourth Proportional to 262,986.84, 394,579.68 and 157,879.08
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Solution
The fourth proportional to 262,986.84, 394,579.68 and 157,879.08 is: 236,878.30
Step by Step Solution
- Step 1: Write the proportion equation
262,986.84 : 394,579.68 = 157,879.08 : x - Step 2: Convert to fraction form
262,986.84/394,579.68 = 157,879.08/x - Step 3: Cross multiply
262,986.84x = 394,579.68 × 157,879.08 - Step 4: Simplify right side
262,986.84x = 62,295,876,865.09 - Step 5: Solve for x
x = 62,295,876,865.09/262,986.84 - Step 6: Final answer
x = 236,878.30
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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.