Finding the Fourth Proportional to 193,927.91, 290,812.28 and 74,028.60
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Solution
The fourth proportional to 193,927.91, 290,812.28 and 74,028.60 is: 111,012.52
Step by Step Solution
- Step 1: Write the proportion equation
193,927.91 : 290,812.28 = 74,028.60 : x - Step 2: Convert to fraction form
193,927.91/290,812.28 = 74,028.60/x - Step 3: Cross multiply
193,927.91x = 290,812.28 × 74,028.60 - Step 4: Simplify right side
193,927.91x = 21,528,425,581.07 - Step 5: Solve for x
x = 21,528,425,581.07/193,927.91 - Step 6: Final answer
x = 111,012.52
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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.