Finding the Fourth Proportional to 490,880.70, 736,318.35 and 135,892.26
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Solution
The fourth proportional to 490,880.70, 736,318.35 and 135,892.26 is: 203,837.64
Step by Step Solution
- Step 1: Write the proportion equation
490,880.70 : 736,318.35 = 135,892.26 : x - Step 2: Convert to fraction form
490,880.70/736,318.35 = 135,892.26/x - Step 3: Cross multiply
490,880.70x = 736,318.35 × 135,892.26 - Step 4: Simplify right side
490,880.70x = 100,059,964,660.97 - Step 5: Solve for x
x = 100,059,964,660.97/490,880.70 - Step 6: Final answer
x = 203,837.64
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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.