Finding the Fourth Proportional to 159,744.80, 239,617.20 and 41,415.20
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Solution
The fourth proportional to 159,744.80, 239,617.20 and 41,415.20 is: 62,122.80
Step by Step Solution
- Step 1: Write the proportion equation
159,744.80 : 239,617.20 = 41,415.20 : x - Step 2: Convert to fraction form
159,744.80/239,617.20 = 41,415.20/x - Step 3: Cross multiply
159,744.80x = 239,617.20 × 41,415.20 - Step 4: Simplify right side
159,744.80x = 9,923,794,261.44 - Step 5: Solve for x
x = 9,923,794,261.44/159,744.80 - Step 6: Final answer
x = 62,122.80
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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.