Finding the Fourth Proportional to 268,867.40, 403,550.37 and 135,841.37
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Solution
The fourth proportional to 268,867.40, 403,550.37 and 135,841.37 is: 203,887.99
Step by Step Solution
- Step 1: Write the proportion equation
268,867.40 : 403,550.37 = 135,841.37 : x - Step 2: Convert to fraction form
268,867.40/403,550.37 = 135,841.37/x - Step 3: Cross multiply
268,867.40x = 403,550.37 × 135,841.37 - Step 4: Simplify right side
268,867.40x = 54,818,833,107.06 - Step 5: Solve for x
x = 54,818,833,107.06/268,867.40 - Step 6: Final answer
x = 203,887.99
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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.