Finding the Fourth Proportional to 377,615.36, 520,843.82 and 248,512.70
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Solution
The fourth proportional to 377,615.36, 520,843.82 and 248,512.70 is: 342,772.88
Step by Step Solution
- Step 1: Write the proportion equation
377,615.36 : 520,843.82 = 248,512.70 : x - Step 2: Convert to fraction form
377,615.36/520,843.82 = 248,512.70/x - Step 3: Cross multiply
377,615.36x = 520,843.82 × 248,512.70 - Step 4: Simplify right side
377,615.36x = 129,436,303,986.51 - Step 5: Solve for x
x = 129,436,303,986.51/377,615.36 - Step 6: Final answer
x = 342,772.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.