Finding the Fourth Proportional to 206,433.68, 309,650.99 and 56,676.02
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Solution
The fourth proportional to 206,433.68, 309,650.99 and 56,676.02 is: 85,014.15
Step by Step Solution
- Step 1: Write the proportion equation
206,433.68 : 309,650.99 = 56,676.02 : x - Step 2: Convert to fraction form
206,433.68/309,650.99 = 56,676.02/x - Step 3: Cross multiply
206,433.68x = 309,650.99 × 56,676.02 - Step 4: Simplify right side
206,433.68x = 17,549,783,870.62 - Step 5: Solve for x
x = 17,549,783,870.62/206,433.68 - Step 6: Final answer
x = 85,014.15
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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.