Finding the Fourth Proportional to 352,131.96, 485,953.12 and 199,167.18
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Solution
The fourth proportional to 352,131.96, 485,953.12 and 199,167.18 is: 274,856.94
Step by Step Solution
- Step 1: Write the proportion equation
352,131.96 : 485,953.12 = 199,167.18 : x - Step 2: Convert to fraction form
352,131.96/485,953.12 = 199,167.18/x - Step 3: Cross multiply
352,131.96x = 485,953.12 × 199,167.18 - Step 4: Simplify right side
352,131.96x = 96,785,912,522.60 - Step 5: Solve for x
x = 96,785,912,522.60/352,131.96 - Step 6: Final answer
x = 274,856.94
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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.