Finding the Fourth Proportional to 159,415.24, 239,203.98 and 122,213.56
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Solution
The fourth proportional to 159,415.24, 239,203.98 and 122,213.56 is: 183,382.53
Step by Step Solution
- Step 1: Write the proportion equation
159,415.24 : 239,203.98 = 122,213.56 : x - Step 2: Convert to fraction form
159,415.24/239,203.98 = 122,213.56/x - Step 3: Cross multiply
159,415.24x = 239,203.98 × 122,213.56 - Step 4: Simplify right side
159,415.24x = 29,233,969,961.97 - Step 5: Solve for x
x = 29,233,969,961.97/159,415.24 - Step 6: Final answer
x = 183,382.53
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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.