Finding the Fourth Proportional to 262,427.60, 393,372.60 and 129,102.80
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Solution
The fourth proportional to 262,427.60, 393,372.60 and 129,102.80 is: 193,521.96
Step by Step Solution
- Step 1: Write the proportion equation
262,427.60 : 393,372.60 = 129,102.80 : x - Step 2: Convert to fraction form
262,427.60/393,372.60 = 129,102.80/x - Step 3: Cross multiply
262,427.60x = 393,372.60 × 129,102.80 - Step 4: Simplify right side
262,427.60x = 50,785,504,103.28 - Step 5: Solve for x
x = 50,785,504,103.28/262,427.60 - Step 6: Final answer
x = 193,521.96
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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.