Finding the Fourth Proportional to 269,015.70, 403,912.35 and 202,919.70
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Solution
The fourth proportional to 269,015.70, 403,912.35 and 202,919.70 is: 304,672.82
Step by Step Solution
- Step 1: Write the proportion equation
269,015.70 : 403,912.35 = 202,919.70 : x - Step 2: Convert to fraction form
269,015.70/403,912.35 = 202,919.70/x - Step 3: Cross multiply
269,015.70x = 403,912.35 × 202,919.70 - Step 4: Simplify right side
269,015.70x = 81,961,772,888.30 - Step 5: Solve for x
x = 81,961,772,888.30/269,015.70 - Step 6: Final answer
x = 304,672.82
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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.