Finding the Fourth Proportional to 508,276.80, 762,717.60 and 192,765.60
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Solution
The fourth proportional to 508,276.80, 762,717.60 and 192,765.60 is: 289,263.09
Step by Step Solution
- Step 1: Write the proportion equation
508,276.80 : 762,717.60 = 192,765.60 : x - Step 2: Convert to fraction form
508,276.80/762,717.60 = 192,765.60/x - Step 3: Cross multiply
508,276.80x = 762,717.60 × 192,765.60 - Step 4: Simplify right side
508,276.80x = 147,025,715,794.56 - Step 5: Solve for x
x = 147,025,715,794.56/508,276.80 - Step 6: Final answer
x = 289,263.09
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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.