Finding the Fourth Proportional to 297,778.14, 410,924.61 and 217,545.21
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Solution
The fourth proportional to 297,778.14, 410,924.61 and 217,545.21 is: 300,205.65
Step by Step Solution
- Step 1: Write the proportion equation
297,778.14 : 410,924.61 = 217,545.21 : x - Step 2: Convert to fraction form
297,778.14/410,924.61 = 217,545.21/x - Step 3: Cross multiply
297,778.14x = 410,924.61 × 217,545.21 - Step 4: Simplify right side
297,778.14x = 89,394,680,576.62 - Step 5: Solve for x
x = 89,394,680,576.62/297,778.14 - Step 6: Final answer
x = 300,205.65
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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.