Finding the Fourth Proportional to 445,944.36, 669,103.98 and 277,605.54
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Solution
The fourth proportional to 445,944.36, 669,103.98 and 277,605.54 is: 416,524.99
Step by Step Solution
- Step 1: Write the proportion equation
445,944.36 : 669,103.98 = 277,605.54 : x - Step 2: Convert to fraction form
445,944.36/669,103.98 = 277,605.54/x - Step 3: Cross multiply
445,944.36x = 669,103.98 × 277,605.54 - Step 4: Simplify right side
445,944.36x = 185,746,971,684.05 - Step 5: Solve for x
x = 185,746,971,684.05/445,944.36 - Step 6: Final answer
x = 416,524.99
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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.