Finding the Fourth Proportional to 331,352.10, 496,639.35 and 141,812.10
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Solution
The fourth proportional to 331,352.10, 496,639.35 and 141,812.10 is: 212,551.75
Step by Step Solution
- Step 1: Write the proportion equation
331,352.10 : 496,639.35 = 141,812.10 : x - Step 2: Convert to fraction form
331,352.10/496,639.35 = 141,812.10/x - Step 3: Cross multiply
331,352.10x = 496,639.35 × 141,812.10 - Step 4: Simplify right side
331,352.10x = 70,429,469,166.14 - Step 5: Solve for x
x = 70,429,469,166.14/331,352.10 - Step 6: Final answer
x = 212,551.75
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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.