Finding the Fourth Proportional to 381,313.37, 526,212.24 and 209,232.44
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Solution
The fourth proportional to 381,313.37, 526,212.24 and 209,232.44 is: 288,740.65
Step by Step Solution
- Step 1: Write the proportion equation
381,313.37 : 526,212.24 = 209,232.44 : x - Step 2: Convert to fraction form
381,313.37/526,212.24 = 209,232.44/x - Step 3: Cross multiply
381,313.37x = 526,212.24 × 209,232.44 - Step 4: Simplify right side
381,313.37x = 110,100,668,302.00 - Step 5: Solve for x
x = 110,100,668,302.00/381,313.37 - Step 6: Final answer
x = 288,740.65
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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.