Finding the Fourth Proportional to 437,843.72, 656,765.58 and 201,385.28
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Solution
The fourth proportional to 437,843.72, 656,765.58 and 201,385.28 is: 302,077.92
Step by Step Solution
- Step 1: Write the proportion equation
437,843.72 : 656,765.58 = 201,385.28 : x - Step 2: Convert to fraction form
437,843.72/656,765.58 = 201,385.28/x - Step 3: Cross multiply
437,843.72x = 656,765.58 × 201,385.28 - Step 4: Simplify right side
437,843.72x = 132,262,920,222.66 - Step 5: Solve for x
x = 132,262,920,222.66/437,843.72 - Step 6: Final answer
x = 302,077.92
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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.