Finding the Fourth Proportional to 341,790.20, 471,803.34 and 305,917.94
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Solution
The fourth proportional to 341,790.20, 471,803.34 and 305,917.94 is: 422,285.68
Step by Step Solution
- Step 1: Write the proportion equation
341,790.20 : 471,803.34 = 305,917.94 : x - Step 2: Convert to fraction form
341,790.20/471,803.34 = 305,917.94/x - Step 3: Cross multiply
341,790.20x = 471,803.34 × 305,917.94 - Step 4: Simplify right side
341,790.20x = 144,333,103,498.90 - Step 5: Solve for x
x = 144,333,103,498.90/341,790.20 - Step 6: Final answer
x = 422,285.68
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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.