Finding the Fourth Proportional to 193,782.53, 290,679.47 and 53,541.29
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Solution
The fourth proportional to 193,782.53, 290,679.47 and 53,541.29 is: 80,313.50
Step by Step Solution
- Step 1: Write the proportion equation
193,782.53 : 290,679.47 = 53,541.29 : x - Step 2: Convert to fraction form
193,782.53/290,679.47 = 53,541.29/x - Step 3: Cross multiply
193,782.53x = 290,679.47 × 53,541.29 - Step 4: Simplify right side
193,782.53x = 15,563,352,079.21 - Step 5: Solve for x
x = 15,563,352,079.21/193,782.53 - Step 6: Final answer
x = 80,313.50
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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.