Finding the Fourth Proportional to 215,869.62, 323,775.24 and 58,107.54
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Solution
The fourth proportional to 215,869.62, 323,775.24 and 58,107.54 is: 87,153.45
Step by Step Solution
- Step 1: Write the proportion equation
215,869.62 : 323,775.24 = 58,107.54 : x - Step 2: Convert to fraction form
215,869.62/323,775.24 = 58,107.54/x - Step 3: Cross multiply
215,869.62x = 323,775.24 × 58,107.54 - Step 4: Simplify right side
215,869.62x = 18,813,782,709.31 - Step 5: Solve for x
x = 18,813,782,709.31/215,869.62 - Step 6: Final answer
x = 87,153.45
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1.5x scale
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.