Finding the Fourth Proportional to 145,879.72, 218,905.67 and 61,634.41
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Solution
The fourth proportional to 145,879.72, 218,905.67 and 61,634.41 is: 92,487.99
Step by Step Solution
- Step 1: Write the proportion equation
145,879.72 : 218,905.67 = 61,634.41 : x - Step 2: Convert to fraction form
145,879.72/218,905.67 = 61,634.41/x - Step 3: Cross multiply
145,879.72x = 218,905.67 × 61,634.41 - Step 4: Simplify right side
145,879.72x = 13,492,121,816.10 - Step 5: Solve for x
x = 13,492,121,816.10/145,879.72 - Step 6: Final answer
x = 92,487.99
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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.