Finding the Fourth Proportional to 361,893.99, 542,287.42 and 193,438.29
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Solution
The fourth proportional to 361,893.99, 542,287.42 and 193,438.29 is: 289,861.55
Step by Step Solution
- Step 1: Write the proportion equation
361,893.99 : 542,287.42 = 193,438.29 : x - Step 2: Convert to fraction form
361,893.99/542,287.42 = 193,438.29/x - Step 3: Cross multiply
361,893.99x = 542,287.42 × 193,438.29 - Step 4: Simplify right side
361,893.99x = 104,899,151,213.31 - Step 5: Solve for x
x = 104,899,151,213.31/361,893.99 - Step 6: Final answer
x = 289,861.55
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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.