Finding the Fourth Proportional to 103,682.08, 155,497.20 and 29,810.08
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Solution
The fourth proportional to 103,682.08, 155,497.20 and 29,810.08 is: 44,707.67
Step by Step Solution
- Step 1: Write the proportion equation
103,682.08 : 155,497.20 = 29,810.08 : x - Step 2: Convert to fraction form
103,682.08/155,497.20 = 29,810.08/x - Step 3: Cross multiply
103,682.08x = 155,497.20 × 29,810.08 - Step 4: Simplify right side
103,682.08x = 4,635,383,971.78 - Step 5: Solve for x
x = 4,635,383,971.78/103,682.08 - Step 6: Final answer
x = 44,707.67
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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.