Finding the Fourth Proportional to 255,231.84, 382,863.28 and 77,751.84
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Solution
The fourth proportional to 255,231.84, 382,863.28 and 77,751.84 is: 116,632.49
Step by Step Solution
- Step 1: Write the proportion equation
255,231.84 : 382,863.28 = 77,751.84 : x - Step 2: Convert to fraction form
255,231.84/382,863.28 = 77,751.84/x - Step 3: Cross multiply
255,231.84x = 382,863.28 × 77,751.84 - Step 4: Simplify right side
255,231.84x = 29,768,324,488.44 - Step 5: Solve for x
x = 29,768,324,488.44/255,231.84 - Step 6: Final answer
x = 116,632.49
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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.