Finding the Fourth Proportional to 396,781.55, 595,169.15 and 235,791.32
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Solution
The fourth proportional to 396,781.55, 595,169.15 and 235,791.32 is: 353,685.09
Step by Step Solution
- Step 1: Write the proportion equation
396,781.55 : 595,169.15 = 235,791.32 : x - Step 2: Convert to fraction form
396,781.55/595,169.15 = 235,791.32/x - Step 3: Cross multiply
396,781.55x = 595,169.15 × 235,791.32 - Step 4: Simplify right side
396,781.55x = 140,335,720,021.13 - Step 5: Solve for x
x = 140,335,720,021.13/396,781.55 - Step 6: Final answer
x = 353,685.09
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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.