Finding the Fourth Proportional to 422,107.14, 582,508.08 and 231,120.48
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Solution
The fourth proportional to 422,107.14, 582,508.08 and 231,120.48 is: 318,946.39
Step by Step Solution
- Step 1: Write the proportion equation
422,107.14 : 582,508.08 = 231,120.48 : x - Step 2: Convert to fraction form
422,107.14/582,508.08 = 231,120.48/x - Step 3: Cross multiply
422,107.14x = 582,508.08 × 231,120.48 - Step 4: Simplify right side
422,107.14x = 134,629,547,053.48 - Step 5: Solve for x
x = 134,629,547,053.48/422,107.14 - Step 6: Final answer
x = 318,946.39
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1.5x scale
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.