Finding the Fourth Proportional to 107,999.43, 162,022.17 and 41,438.99
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Solution
The fourth proportional to 107,999.43, 162,022.17 and 41,438.99 is: 62,167.33
Step by Step Solution
- Step 1: Write the proportion equation
107,999.43 : 162,022.17 = 41,438.99 : x - Step 2: Convert to fraction form
107,999.43/162,022.17 = 41,438.99/x - Step 3: Cross multiply
107,999.43x = 162,022.17 × 41,438.99 - Step 4: Simplify right side
107,999.43x = 6,714,035,642.86 - Step 5: Solve for x
x = 6,714,035,642.86/107,999.43 - Step 6: Final answer
x = 62,167.33
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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.