Finding the Fourth Proportional to 323,590.26, 485,604.12 and 113,230.02
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Solution
The fourth proportional to 323,590.26, 485,604.12 and 113,230.02 is: 169,921.57
Step by Step Solution
- Step 1: Write the proportion equation
323,590.26 : 485,604.12 = 113,230.02 : x - Step 2: Convert to fraction form
323,590.26/485,604.12 = 113,230.02/x - Step 3: Cross multiply
323,590.26x = 485,604.12 × 113,230.02 - Step 4: Simplify right side
323,590.26x = 54,984,964,219.68 - Step 5: Solve for x
x = 54,984,964,219.68/323,590.26 - Step 6: Final answer
x = 169,921.57
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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.