Finding the Fourth Proportional to 179,635.97, 247,835.99 and 115,157.28
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Solution
The fourth proportional to 179,635.97, 247,835.99 and 115,157.28 is: 158,877.53
Step by Step Solution
- Step 1: Write the proportion equation
179,635.97 : 247,835.99 = 115,157.28 : x - Step 2: Convert to fraction form
179,635.97/247,835.99 = 115,157.28/x - Step 3: Cross multiply
179,635.97x = 247,835.99 × 115,157.28 - Step 4: Simplify right side
179,635.97x = 28,540,117,918.72 - Step 5: Solve for x
x = 28,540,117,918.72/179,635.97 - Step 6: Final answer
x = 158,877.53
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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.