Finding the Fourth Proportional to 203,698.24, 305,563.76 and 77,398.96
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Solution
The fourth proportional to 203,698.24, 305,563.76 and 77,398.96 is: 116,104.67
Step by Step Solution
- Step 1: Write the proportion equation
203,698.24 : 305,563.76 = 77,398.96 : x - Step 2: Convert to fraction form
203,698.24/305,563.76 = 77,398.96/x - Step 3: Cross multiply
203,698.24x = 305,563.76 × 77,398.96 - Step 4: Simplify right side
203,698.24x = 23,650,317,237.69 - Step 5: Solve for x
x = 23,650,317,237.69/203,698.24 - Step 6: Final answer
x = 116,104.67
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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.