Finding the Fourth Proportional to 263,307.84, 394,786.56 and 145,034.88
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Solution
The fourth proportional to 263,307.84, 394,786.56 and 145,034.88 is: 217,455.82
Step by Step Solution
- Step 1: Write the proportion equation
263,307.84 : 394,786.56 = 145,034.88 : x - Step 2: Convert to fraction form
263,307.84/394,786.56 = 145,034.88/x - Step 3: Cross multiply
263,307.84x = 394,786.56 × 145,034.88 - Step 4: Simplify right side
263,307.84x = 57,257,821,355.21 - Step 5: Solve for x
x = 57,257,821,355.21/263,307.84 - Step 6: Final answer
x = 217,455.82
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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.