Finding the Fourth Proportional to 322,587.36, 445,031.28 and 201,517.92
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Solution
The fourth proportional to 322,587.36, 445,031.28 and 201,517.92 is: 278,007.72
Step by Step Solution
- Step 1: Write the proportion equation
322,587.36 : 445,031.28 = 201,517.92 : x - Step 2: Convert to fraction form
322,587.36/445,031.28 = 201,517.92/x - Step 3: Cross multiply
322,587.36x = 445,031.28 × 201,517.92 - Step 4: Simplify right side
322,587.36x = 89,681,777,880.54 - Step 5: Solve for x
x = 89,681,777,880.54/322,587.36 - Step 6: Final answer
x = 278,007.72
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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.