Finding the Fourth Proportional to 397,153.14, 548,074.67 and 215,865.02
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Solution
The fourth proportional to 397,153.14, 548,074.67 and 215,865.02 is: 297,895.53
Step by Step Solution
- Step 1: Write the proportion equation
397,153.14 : 548,074.67 = 215,865.02 : x - Step 2: Convert to fraction form
397,153.14/548,074.67 = 215,865.02/x - Step 3: Cross multiply
397,153.14x = 548,074.67 × 215,865.02 - Step 4: Simplify right side
397,153.14x = 118,310,145,781.35 - Step 5: Solve for x
x = 118,310,145,781.35/397,153.14 - Step 6: Final answer
x = 297,895.53
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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.