Finding the Fourth Proportional to 103,443.28, 155,164.68 and 27,541.84
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Solution
The fourth proportional to 103,443.28, 155,164.68 and 27,541.84 is: 41,312.70
Step by Step Solution
- Step 1: Write the proportion equation
103,443.28 : 155,164.68 = 27,541.84 : x - Step 2: Convert to fraction form
103,443.28/155,164.68 = 27,541.84/x - Step 3: Cross multiply
103,443.28x = 155,164.68 × 27,541.84 - Step 4: Simplify right side
103,443.28x = 4,273,520,790.21 - Step 5: Solve for x
x = 4,273,520,790.21/103,443.28 - Step 6: Final answer
x = 41,312.70
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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.