Finding the Fourth Proportional to 357,915.36, 535,704.79 and 263,120.44
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Solution
The fourth proportional to 357,915.36, 535,704.79 and 263,120.44 is: 393,821.82
Step by Step Solution
- Step 1: Write the proportion equation
357,915.36 : 535,704.79 = 263,120.44 : x - Step 2: Convert to fraction form
357,915.36/535,704.79 = 263,120.44/x - Step 3: Cross multiply
357,915.36x = 535,704.79 × 263,120.44 - Step 4: Simplify right side
357,915.36x = 140,954,880,054.91 - Step 5: Solve for x
x = 140,954,880,054.91/357,915.36 - Step 6: Final answer
x = 393,821.82
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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.