Finding the Fourth Proportional to 397,715.75, 548,847.83 and 218,867.75
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Solution
The fourth proportional to 397,715.75, 548,847.83 and 218,867.75 is: 302,037.55
Step by Step Solution
- Step 1: Write the proportion equation
397,715.75 : 548,847.83 = 218,867.75 : x - Step 2: Convert to fraction form
397,715.75/548,847.83 = 218,867.75/x - Step 3: Cross multiply
397,715.75x = 548,847.83 × 218,867.75 - Step 4: Simplify right side
397,715.75x = 120,125,089,644.48 - Step 5: Solve for x
x = 120,125,089,644.48/397,715.75 - Step 6: Final answer
x = 302,037.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.