Finding the Fourth Proportional to 265,137.08, 397,767.88 and 87,644.08
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Solution
The fourth proportional to 265,137.08, 397,767.88 and 87,644.08 is: 131,486.70
Step by Step Solution
- Step 1: Write the proportion equation
265,137.08 : 397,767.88 = 87,644.08 : x - Step 2: Convert to fraction form
265,137.08/397,767.88 = 87,644.08/x - Step 3: Cross multiply
265,137.08x = 397,767.88 × 87,644.08 - Step 4: Simplify right side
265,137.08x = 34,861,999,896.15 - Step 5: Solve for x
x = 34,861,999,896.15/265,137.08 - Step 6: Final answer
x = 131,486.70
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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.