Finding the Fourth Proportional to 274,575.24, 412,153.99 and 243,189.05
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Solution
The fourth proportional to 274,575.24, 412,153.99 and 243,189.05 is: 365,041.43
Step by Step Solution
- Step 1: Write the proportion equation
274,575.24 : 412,153.99 = 243,189.05 : x - Step 2: Convert to fraction form
274,575.24/412,153.99 = 243,189.05/x - Step 3: Cross multiply
274,575.24x = 412,153.99 × 243,189.05 - Step 4: Simplify right side
274,575.24x = 100,231,337,704.22 - Step 5: Solve for x
x = 100,231,337,704.22/274,575.24 - Step 6: Final answer
x = 365,041.43
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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.