Finding the Fourth Proportional to 351,938.08, 485,678.16 and 190,793.44
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Solution
The fourth proportional to 351,938.08, 485,678.16 and 190,793.44 is: 263,296.90
Step by Step Solution
- Step 1: Write the proportion equation
351,938.08 : 485,678.16 = 190,793.44 : x - Step 2: Convert to fraction form
351,938.08/485,678.16 = 190,793.44/x - Step 3: Cross multiply
351,938.08x = 485,678.16 × 190,793.44 - Step 4: Simplify right side
351,938.08x = 92,664,206,879.27 - Step 5: Solve for x
x = 92,664,206,879.27/351,938.08 - Step 6: Final answer
x = 263,296.90
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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.