Finding the Fourth Proportional to 278,348.94, 416,873.73 and 203,283.06
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Solution
The fourth proportional to 278,348.94, 416,873.73 and 203,283.06 is: 304,450.12
Step by Step Solution
- Step 1: Write the proportion equation
278,348.94 : 416,873.73 = 203,283.06 : x - Step 2: Convert to fraction form
278,348.94/416,873.73 = 203,283.06/x - Step 3: Cross multiply
278,348.94x = 416,873.73 × 203,283.06 - Step 4: Simplify right side
278,348.94x = 84,743,367,468.01 - Step 5: Solve for x
x = 84,743,367,468.01/278,348.94 - Step 6: Final answer
x = 304,450.12
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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.