Finding the Fourth Proportional to 325,142.14, 487,759.93 and 100,520.09
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Solution
The fourth proportional to 325,142.14, 487,759.93 and 100,520.09 is: 150,794.58
Step by Step Solution
- Step 1: Write the proportion equation
325,142.14 : 487,759.93 = 100,520.09 : x - Step 2: Convert to fraction form
325,142.14/487,759.93 = 100,520.09/x - Step 3: Cross multiply
325,142.14x = 487,759.93 × 100,520.09 - Step 4: Simplify right side
325,142.14x = 49,029,671,577.94 - Step 5: Solve for x
x = 49,029,671,577.94/325,142.14 - Step 6: Final answer
x = 150,794.58
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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.