Finding the Fourth Proportional to 361,872.26, 499,374.07 and 208,905.28
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Solution
The fourth proportional to 361,872.26, 499,374.07 and 208,905.28 is: 288,283.72
Step by Step Solution
- Step 1: Write the proportion equation
361,872.26 : 499,374.07 = 208,905.28 : x - Step 2: Convert to fraction form
361,872.26/499,374.07 = 208,905.28/x - Step 3: Cross multiply
361,872.26x = 499,374.07 × 208,905.28 - Step 4: Simplify right side
361,872.26x = 104,321,879,918.09 - Step 5: Solve for x
x = 104,321,879,918.09/361,872.26 - Step 6: Final answer
x = 288,283.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.