Finding the Fourth Proportional to 652,883.97, 979,179.36 and 274,232.26
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Solution
The fourth proportional to 652,883.97, 979,179.36 and 274,232.26 is: 411,286.81
Step by Step Solution
- Step 1: Write the proportion equation
652,883.97 : 979,179.36 = 274,232.26 : x - Step 2: Convert to fraction form
652,883.97/979,179.36 = 274,232.26/x - Step 3: Cross multiply
652,883.97x = 979,179.36 × 274,232.26 - Step 4: Simplify right side
652,883.97x = 268,522,567,051.09 - Step 5: Solve for x
x = 268,522,567,051.09/652,883.97 - Step 6: Final answer
x = 411,286.81
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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.