Finding the Fourth Proportional to 278,348.44, 416,872.98 and 203,282.56
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Solution
The fourth proportional to 278,348.44, 416,872.98 and 203,282.56 is: 304,449.37
Step by Step Solution
- Step 1: Write the proportion equation
278,348.44 : 416,872.98 = 203,282.56 : x - Step 2: Convert to fraction form
278,348.44/416,872.98 = 203,282.56/x - Step 3: Cross multiply
278,348.44x = 416,872.98 × 203,282.56 - Step 4: Simplify right side
278,348.44x = 84,743,006,569.23 - Step 5: Solve for x
x = 84,743,006,569.23/278,348.44 - Step 6: Final answer
x = 304,449.37
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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.