Finding the Fourth Proportional to 340,880.91, 511,321.36 and 130,518.84
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Solution
The fourth proportional to 340,880.91, 511,321.36 and 130,518.84 is: 195,778.27
Step by Step Solution
- Step 1: Write the proportion equation
340,880.91 : 511,321.36 = 130,518.84 : x - Step 2: Convert to fraction form
340,880.91/511,321.36 = 130,518.84/x - Step 3: Cross multiply
340,880.91x = 511,321.36 × 130,518.84 - Step 4: Simplify right side
340,880.91x = 66,737,072,610.30 - Step 5: Solve for x
x = 66,737,072,610.30/340,880.91 - Step 6: Final answer
x = 195,778.27
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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.