Finding the Fourth Proportional to 255,863.61, 383,605.88 and 122,616.99
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Solution
The fourth proportional to 255,863.61, 383,605.88 and 122,616.99 is: 183,834.65
Step by Step Solution
- Step 1: Write the proportion equation
255,863.61 : 383,605.88 = 122,616.99 : x - Step 2: Convert to fraction form
255,863.61/383,605.88 = 122,616.99/x - Step 3: Cross multiply
255,863.61x = 383,605.88 × 122,616.99 - Step 4: Simplify right side
255,863.61x = 47,036,597,738.82 - Step 5: Solve for x
x = 47,036,597,738.82/255,863.61 - Step 6: Final answer
x = 183,834.65
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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.