Finding the Fourth Proportional to 438,793.75, 658,190.63 and 106,369.75
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Solution
The fourth proportional to 438,793.75, 658,190.63 and 106,369.75 is: 159,554.63
Step by Step Solution
- Step 1: Write the proportion equation
438,793.75 : 658,190.63 = 106,369.75 : x - Step 2: Convert to fraction form
438,793.75/658,190.63 = 106,369.75/x - Step 3: Cross multiply
438,793.75x = 658,190.63 × 106,369.75 - Step 4: Simplify right side
438,793.75x = 70,011,572,765.44 - Step 5: Solve for x
x = 70,011,572,765.44/438,793.75 - Step 6: Final answer
x = 159,554.63
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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.