Finding the Fourth Proportional to 274,575.99, 412,155.11 and 243,189.80
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Solution
The fourth proportional to 274,575.99, 412,155.11 and 243,189.80 is: 365,042.55
Step by Step Solution
- Step 1: Write the proportion equation
274,575.99 : 412,155.11 = 243,189.80 : x - Step 2: Convert to fraction form
274,575.99/412,155.11 = 243,189.80/x - Step 3: Cross multiply
274,575.99x = 412,155.11 × 243,189.80 - Step 4: Simplify right side
274,575.99x = 100,231,920,408.24 - Step 5: Solve for x
x = 100,231,920,408.24/274,575.99 - Step 6: Final answer
x = 365,042.55
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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.