Finding the Fourth Proportional to 148,735.41, 222,865.26 and 133,628.70
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Solution
The fourth proportional to 148,735.41, 222,865.26 and 133,628.70 is: 200,229.35
Step by Step Solution
- Step 1: Write the proportion equation
148,735.41 : 222,865.26 = 133,628.70 : x - Step 2: Convert to fraction form
148,735.41/222,865.26 = 133,628.70/x - Step 3: Cross multiply
148,735.41x = 222,865.26 × 133,628.70 - Step 4: Simplify right side
148,735.41x = 29,781,194,968.96 - Step 5: Solve for x
x = 29,781,194,968.96/148,735.41 - Step 6: Final answer
x = 200,229.35
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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.