Finding the Fourth Proportional to 397,466.91, 548,511.39 and 216,182.79
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Solution
The fourth proportional to 397,466.91, 548,511.39 and 216,182.79 is: 298,336.09
Step by Step Solution
- Step 1: Write the proportion equation
397,466.91 : 548,511.39 = 216,182.79 : x - Step 2: Convert to fraction form
397,466.91/548,511.39 = 216,182.79/x - Step 3: Cross multiply
397,466.91x = 548,511.39 × 216,182.79 - Step 4: Simplify right side
397,466.91x = 118,578,722,636.98 - Step 5: Solve for x
x = 118,578,722,636.98/397,466.91 - Step 6: Final answer
x = 298,336.09
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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.