Finding the Fourth Proportional to 419,114.08, 628,664.97 and 103,570.99
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Solution
The fourth proportional to 419,114.08, 628,664.97 and 103,570.99 is: 155,354.96
Step by Step Solution
- Step 1: Write the proportion equation
419,114.08 : 628,664.97 = 103,570.99 : x - Step 2: Convert to fraction form
419,114.08/628,664.97 = 103,570.99/x - Step 3: Cross multiply
419,114.08x = 628,664.97 × 103,570.99 - Step 4: Simplify right side
419,114.08x = 65,111,451,749.56 - Step 5: Solve for x
x = 65,111,451,749.56/419,114.08 - Step 6: Final answer
x = 155,354.96
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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.