Finding the Fourth Proportional to 269,055.21, 403,580.66 and 100,618.05
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Solution
The fourth proportional to 269,055.21, 403,580.66 and 100,618.05 is: 150,926.27
Step by Step Solution
- Step 1: Write the proportion equation
269,055.21 : 403,580.66 = 100,618.05 : x - Step 2: Convert to fraction form
269,055.21/403,580.66 = 100,618.05/x - Step 3: Cross multiply
269,055.21x = 403,580.66 × 100,618.05 - Step 4: Simplify right side
269,055.21x = 40,607,498,523.82 - Step 5: Solve for x
x = 40,607,498,523.82/269,055.21 - Step 6: Final answer
x = 150,926.27
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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.