Finding the Fourth Proportional to 393,082.24, 542,455.36 and 223,325.68
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Solution
The fourth proportional to 393,082.24, 542,455.36 and 223,325.68 is: 308,190.50
Step by Step Solution
- Step 1: Write the proportion equation
393,082.24 : 542,455.36 = 223,325.68 : x - Step 2: Convert to fraction form
393,082.24/542,455.36 = 223,325.68/x - Step 3: Cross multiply
393,082.24x = 542,455.36 × 223,325.68 - Step 4: Simplify right side
393,082.24x = 121,144,212,141.65 - Step 5: Solve for x
x = 121,144,212,141.65/393,082.24 - Step 6: Final answer
x = 308,190.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.