Finding the Fourth Proportional to 397,515.96, 548,582.04 and 216,238.08
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Solution
The fourth proportional to 397,515.96, 548,582.04 and 216,238.08 is: 298,414.00
Step by Step Solution
- Step 1: Write the proportion equation
397,515.96 : 548,582.04 = 216,238.08 : x - Step 2: Convert to fraction form
397,515.96/548,582.04 = 216,238.08/x - Step 3: Cross multiply
397,515.96x = 548,582.04 × 216,238.08 - Step 4: Simplify right side
397,515.96x = 118,624,327,052.08 - Step 5: Solve for x
x = 118,624,327,052.08/397,515.96 - Step 6: Final answer
x = 298,414.00
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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.