Finding the Fourth Proportional to 383,873.38, 529,745.98 and 214,118.44
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Solution
The fourth proportional to 383,873.38, 529,745.98 and 214,118.44 is: 295,483.85
Step by Step Solution
- Step 1: Write the proportion equation
383,873.38 : 529,745.98 = 214,118.44 : x - Step 2: Convert to fraction form
383,873.38/529,745.98 = 214,118.44/x - Step 3: Cross multiply
383,873.38x = 529,745.98 × 214,118.44 - Step 4: Simplify right side
383,873.38x = 113,428,382,833.87 - Step 5: Solve for x
x = 113,428,382,833.87/383,873.38 - Step 6: Final answer
x = 295,483.85
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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.