Finding the Fourth Proportional to 494,091.90, 741,181.61 and 139,108.99
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Solution
The fourth proportional to 494,091.90, 741,181.61 and 139,108.99 is: 208,675.81
Step by Step Solution
- Step 1: Write the proportion equation
494,091.90 : 741,181.61 = 139,108.99 : x - Step 2: Convert to fraction form
494,091.90/741,181.61 = 139,108.99/x - Step 3: Cross multiply
494,091.90x = 741,181.61 × 139,108.99 - Step 4: Simplify right side
494,091.90x = 103,105,025,173.67 - Step 5: Solve for x
x = 103,105,025,173.67/494,091.90 - Step 6: Final answer
x = 208,675.81
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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.