Finding the Fourth Proportional to 200,290.64, 276,396.36 and 115,455.44
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Solution
The fourth proportional to 200,290.64, 276,396.36 and 115,455.44 is: 159,325.78
Step by Step Solution
- Step 1: Write the proportion equation
200,290.64 : 276,396.36 = 115,455.44 : x - Step 2: Convert to fraction form
200,290.64/276,396.36 = 115,455.44/x - Step 3: Cross multiply
200,290.64x = 276,396.36 × 115,455.44 - Step 4: Simplify right side
200,290.64x = 31,911,463,358.20 - Step 5: Solve for x
x = 31,911,463,358.20/200,290.64 - Step 6: Final answer
x = 159,325.78
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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.