Finding the Fourth Proportional to 505,420.97, 758,079.41 and 168,425.19
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Solution
The fourth proportional to 505,420.97, 758,079.41 and 168,425.19 is: 252,620.44
Step by Step Solution
- Step 1: Write the proportion equation
505,420.97 : 758,079.41 = 168,425.19 : x - Step 2: Convert to fraction form
505,420.97/758,079.41 = 168,425.19/x - Step 3: Cross multiply
505,420.97x = 758,079.41 × 168,425.19 - Step 4: Simplify right side
505,420.97x = 127,679,667,822.21 - Step 5: Solve for x
x = 127,679,667,822.21/505,420.97 - Step 6: Final answer
x = 252,620.44
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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.