Finding the Fourth Proportional to 396,059.63, 546,596.84 and 217,246.19
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Solution
The fourth proportional to 396,059.63, 546,596.84 and 217,246.19 is: 299,818.69
Step by Step Solution
- Step 1: Write the proportion equation
396,059.63 : 546,596.84 = 217,246.19 : x - Step 2: Convert to fraction form
396,059.63/546,596.84 = 217,246.19/x - Step 3: Cross multiply
396,059.63x = 546,596.84 × 217,246.19 - Step 4: Simplify right side
396,059.63x = 118,746,078,766.17 - Step 5: Solve for x
x = 118,746,078,766.17/396,059.63 - Step 6: Final answer
x = 299,818.69
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1.5x scale
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.