Finding the Fourth Proportional to 103,590.56, 155,385.84 and 68,522.01
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Solution
The fourth proportional to 103,590.56, 155,385.84 and 68,522.01 is: 102,783.02
Step by Step Solution
- Step 1: Write the proportion equation
103,590.56 : 155,385.84 = 68,522.01 : x - Step 2: Convert to fraction form
103,590.56/155,385.84 = 68,522.01/x - Step 3: Cross multiply
103,590.56x = 155,385.84 × 68,522.01 - Step 4: Simplify right side
103,590.56x = 10,647,350,245.21 - Step 5: Solve for x
x = 10,647,350,245.21/103,590.56 - Step 6: Final answer
x = 102,783.02
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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.