Finding the Fourth Proportional to 158,736.27, 238,127.65 and 74,504.99
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Solution
The fourth proportional to 158,736.27, 238,127.65 and 74,504.99 is: 111,768.40
Step by Step Solution
- Step 1: Write the proportion equation
158,736.27 : 238,127.65 = 74,504.99 : x - Step 2: Convert to fraction form
158,736.27/238,127.65 = 74,504.99/x - Step 3: Cross multiply
158,736.27x = 238,127.65 × 74,504.99 - Step 4: Simplify right side
158,736.27x = 17,741,698,591.03 - Step 5: Solve for x
x = 17,741,698,591.03/158,736.27 - Step 6: Final answer
x = 111,768.40
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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.