Finding the Fourth Proportional to 238,905.44, 329,651.87 and 136,911.28
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Solution
The fourth proportional to 238,905.44, 329,651.87 and 136,911.28 is: 188,915.99
Step by Step Solution
- Step 1: Write the proportion equation
238,905.44 : 329,651.87 = 136,911.28 : x - Step 2: Convert to fraction form
238,905.44/329,651.87 = 136,911.28/x - Step 3: Cross multiply
238,905.44x = 329,651.87 × 136,911.28 - Step 4: Simplify right side
238,905.44x = 45,133,058,994.24 - Step 5: Solve for x
x = 45,133,058,994.24/238,905.44 - Step 6: Final answer
x = 188,915.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.