Finding the Fourth Proportional to 268,984.44, 403,144.08 and 135,902.52
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Solution
The fourth proportional to 268,984.44, 403,144.08 and 135,902.52 is: 203,685.75
Step by Step Solution
- Step 1: Write the proportion equation
268,984.44 : 403,144.08 = 135,902.52 : x - Step 2: Convert to fraction form
268,984.44/403,144.08 = 135,902.52/x - Step 3: Cross multiply
268,984.44x = 403,144.08 × 135,902.52 - Step 4: Simplify right side
268,984.44x = 54,788,296,395.08 - Step 5: Solve for x
x = 54,788,296,395.08/268,984.44 - Step 6: Final answer
x = 203,685.75
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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.