Finding the Fourth Proportional to 267,478.62, 401,217.12 and 67,798.44
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Solution
The fourth proportional to 267,478.62, 401,217.12 and 67,798.44 is: 101,697.45
Step by Step Solution
- Step 1: Write the proportion equation
267,478.62 : 401,217.12 = 67,798.44 : x - Step 2: Convert to fraction form
267,478.62/401,217.12 = 67,798.44/x - Step 3: Cross multiply
267,478.62x = 401,217.12 × 67,798.44 - Step 4: Simplify right side
267,478.62x = 27,201,894,837.29 - Step 5: Solve for x
x = 27,201,894,837.29/267,478.62 - Step 6: Final answer
x = 101,697.45
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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.