Finding the Fourth Proportional to 395,651.24, 545,701.06 and 274,792.68
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Solution
The fourth proportional to 395,651.24, 545,701.06 and 274,792.68 is: 379,007.17
Step by Step Solution
- Step 1: Write the proportion equation
395,651.24 : 545,701.06 = 274,792.68 : x - Step 2: Convert to fraction form
395,651.24/545,701.06 = 274,792.68/x - Step 3: Cross multiply
395,651.24x = 545,701.06 × 274,792.68 - Step 4: Simplify right side
395,651.24x = 149,954,656,756.24 - Step 5: Solve for x
x = 149,954,656,756.24/395,651.24 - Step 6: Final answer
x = 379,007.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.