Finding the Fourth Proportional to 388,617.75, 582,676.13 and 163,918.08
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Solution
The fourth proportional to 388,617.75, 582,676.13 and 163,918.08 is: 245,771.46
Step by Step Solution
- Step 1: Write the proportion equation
388,617.75 : 582,676.13 = 163,918.08 : x - Step 2: Convert to fraction form
388,617.75/582,676.13 = 163,918.08/x - Step 3: Cross multiply
388,617.75x = 582,676.13 × 163,918.08 - Step 4: Simplify right side
388,617.75x = 95,511,152,901.23 - Step 5: Solve for x
x = 95,511,152,901.23/388,617.75 - Step 6: Final answer
x = 245,771.46
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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.