Finding the Fourth Proportional to 141,635.04, 212,583.84 and 71,563.68
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Solution
The fourth proportional to 141,635.04, 212,583.84 and 71,563.68 is: 107,411.85
Step by Step Solution
- Step 1: Write the proportion equation
141,635.04 : 212,583.84 = 71,563.68 : x - Step 2: Convert to fraction form
141,635.04/212,583.84 = 71,563.68/x - Step 3: Cross multiply
141,635.04x = 212,583.84 × 71,563.68 - Step 4: Simplify right side
141,635.04x = 15,213,281,898.93 - Step 5: Solve for x
x = 15,213,281,898.93/141,635.04 - Step 6: Final answer
x = 107,411.85
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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.