Finding the Fourth Proportional to 267,647.67, 401,970.56 and 235,638.09
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Solution
The fourth proportional to 267,647.67, 401,970.56 and 235,638.09 is: 353,896.50
Step by Step Solution
- Step 1: Write the proportion equation
267,647.67 : 401,970.56 = 235,638.09 : x - Step 2: Convert to fraction form
267,647.67/401,970.56 = 235,638.09/x - Step 3: Cross multiply
267,647.67x = 401,970.56 × 235,638.09 - Step 4: Simplify right side
267,647.67x = 94,719,573,816.44 - Step 5: Solve for x
x = 94,719,573,816.44/267,647.67 - Step 6: Final answer
x = 353,896.50
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1.5x scale
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.