Finding the Fourth Proportional to 445,580.49, 668,410.08 and 125,735.19
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Solution
The fourth proportional to 445,580.49, 668,410.08 and 125,735.19 is: 188,613.89
Step by Step Solution
- Step 1: Write the proportion equation
445,580.49 : 668,410.08 = 125,735.19 : x - Step 2: Convert to fraction form
445,580.49/668,410.08 = 125,735.19/x - Step 3: Cross multiply
445,580.49x = 668,410.08 × 125,735.19 - Step 4: Simplify right side
445,580.49x = 84,042,668,406.72 - Step 5: Solve for x
x = 84,042,668,406.72/445,580.49 - Step 6: Final answer
x = 188,613.89
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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.