Finding the Fourth Proportional to 231,961.51, 347,772.16 and 74,098.99
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Solution
The fourth proportional to 231,961.51, 347,772.16 and 74,098.99 is: 111,094.15
Step by Step Solution
- Step 1: Write the proportion equation
231,961.51 : 347,772.16 = 74,098.99 : x - Step 2: Convert to fraction form
231,961.51/347,772.16 = 74,098.99/x - Step 3: Cross multiply
231,961.51x = 347,772.16 × 74,098.99 - Step 4: Simplify right side
231,961.51x = 25,769,565,806.12 - Step 5: Solve for x
x = 25,769,565,806.12/231,961.51 - Step 6: Final answer
x = 111,094.15
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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.