Finding the Fourth Proportional to 396,245.96, 591,248.37 and 372,137.96
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Solution
The fourth proportional to 396,245.96, 591,248.37 and 372,137.96 is: 555,276.23
Step by Step Solution
- Step 1: Write the proportion equation
396,245.96 : 591,248.37 = 372,137.96 : x - Step 2: Convert to fraction form
396,245.96/591,248.37 = 372,137.96/x - Step 3: Cross multiply
396,245.96x = 591,248.37 × 372,137.96 - Step 4: Simplify right side
396,245.96x = 220,025,962,265.13 - Step 5: Solve for x
x = 220,025,962,265.13/396,245.96 - Step 6: Final answer
x = 555,276.23
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.