Finding the Fourth Proportional to 169,243.41, 254,035.97 and 74,515.79
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Solution
The fourth proportional to 169,243.41, 254,035.97 and 74,515.79 is: 111,848.90
Step by Step Solution
- Step 1: Write the proportion equation
169,243.41 : 254,035.97 = 74,515.79 : x - Step 2: Convert to fraction form
169,243.41/254,035.97 = 74,515.79/x - Step 3: Cross multiply
169,243.41x = 254,035.97 × 74,515.79 - Step 4: Simplify right side
169,243.41x = 18,929,689,350.21 - Step 5: Solve for x
x = 18,929,689,350.21/169,243.41 - Step 6: Final answer
x = 111,848.90
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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.