Finding the Fourth Proportional to 428,698.08, 591,600.96 and 237,739.68
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Solution
The fourth proportional to 428,698.08, 591,600.96 and 237,739.68 is: 328,079.43
Step by Step Solution
- Step 1: Write the proportion equation
428,698.08 : 591,600.96 = 237,739.68 : x - Step 2: Convert to fraction form
428,698.08/591,600.96 = 237,739.68/x - Step 3: Cross multiply
428,698.08x = 591,600.96 × 237,739.68 - Step 4: Simplify right side
428,698.08x = 140,647,022,918.09 - Step 5: Solve for x
x = 140,647,022,918.09/428,698.08 - Step 6: Final answer
x = 328,079.43
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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.