Finding the Fourth Proportional to 837,425.44, 1,256,138.84 and 206,339.32
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Solution
The fourth proportional to 837,425.44, 1,256,138.84 and 206,339.32 is: 309,509.15
Step by Step Solution
- Step 1: Write the proportion equation
837,425.44 : 1,256,138.84 = 206,339.32 : x - Step 2: Convert to fraction form
837,425.44/1,256,138.84 = 206,339.32/x - Step 3: Cross multiply
837,425.44x = 1,256,138.84 × 206,339.32 - Step 4: Simplify right side
837,425.44x = 259,190,834,071.19 - Step 5: Solve for x
x = 259,190,834,071.19/837,425.44 - Step 6: Final answer
x = 309,509.15
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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.