Finding the Fourth Proportional to 330,614.36, 456,297.70 and 201,627.66
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Solution
The fourth proportional to 330,614.36, 456,297.70 and 201,627.66 is: 278,276.59
Step by Step Solution
- Step 1: Write the proportion equation
330,614.36 : 456,297.70 = 201,627.66 : x - Step 2: Convert to fraction form
330,614.36/456,297.70 = 201,627.66/x - Step 3: Cross multiply
330,614.36x = 456,297.70 × 201,627.66 - Step 4: Simplify right side
330,614.36x = 92,002,237,514.38 - Step 5: Solve for x
x = 92,002,237,514.38/330,614.36 - Step 6: Final answer
x = 278,276.59
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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.