Finding the Fourth Proportional to 167,879.18, 251,906.25 and 74,363.06
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Solution
The fourth proportional to 167,879.18, 251,906.25 and 74,363.06 is: 111,583.34
Step by Step Solution
- Step 1: Write the proportion equation
167,879.18 : 251,906.25 = 74,363.06 : x - Step 2: Convert to fraction form
167,879.18/251,906.25 = 74,363.06/x - Step 3: Cross multiply
167,879.18x = 251,906.25 × 74,363.06 - Step 4: Simplify right side
167,879.18x = 18,732,520,491.75 - Step 5: Solve for x
x = 18,732,520,491.75/167,879.18 - Step 6: Final answer
x = 111,583.34
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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.