Finding the Fourth Proportional to 195,664.76, 293,534.04 and 74,121.68
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Solution
The fourth proportional to 195,664.76, 293,534.04 and 74,121.68 is: 111,196.50
Step by Step Solution
- Step 1: Write the proportion equation
195,664.76 : 293,534.04 = 74,121.68 : x - Step 2: Convert to fraction form
195,664.76/293,534.04 = 74,121.68/x - Step 3: Cross multiply
195,664.76x = 293,534.04 × 74,121.68 - Step 4: Simplify right side
195,664.76x = 21,757,235,811.38 - Step 5: Solve for x
x = 21,757,235,811.38/195,664.76 - Step 6: Final answer
x = 111,196.50
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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.