Finding the Fourth Proportional to 266,793.48, 399,745.98 and 187,741.62
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Solution
The fourth proportional to 266,793.48, 399,745.98 and 187,741.62 is: 281,299.82
Step by Step Solution
- Step 1: Write the proportion equation
266,793.48 : 399,745.98 = 187,741.62 : x - Step 2: Convert to fraction form
266,793.48/399,745.98 = 187,741.62/x - Step 3: Cross multiply
266,793.48x = 399,745.98 × 187,741.62 - Step 4: Simplify right side
266,793.48x = 75,048,957,873.69 - Step 5: Solve for x
x = 75,048,957,873.69/266,793.48 - Step 6: Final answer
x = 281,299.82
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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.