Finding the Fourth Proportional to 327,203.28, 490,811.04 and 102,558.69
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Solution
The fourth proportional to 327,203.28, 490,811.04 and 102,558.69 is: 153,839.95
Step by Step Solution
- Step 1: Write the proportion equation
327,203.28 : 490,811.04 = 102,558.69 : x - Step 2: Convert to fraction form
327,203.28/490,811.04 = 102,558.69/x - Step 3: Cross multiply
327,203.28x = 490,811.04 × 102,558.69 - Step 4: Simplify right side
327,203.28x = 50,336,937,299.94 - Step 5: Solve for x
x = 50,336,937,299.94/327,203.28 - Step 6: Final answer
x = 153,839.95
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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.