Finding the Fourth Proportional to 519,170.14, 778,751.70 and 279,396.87
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Solution
The fourth proportional to 519,170.14, 778,751.70 and 279,396.87 is: 419,093.42
Step by Step Solution
- Step 1: Write the proportion equation
519,170.14 : 778,751.70 = 279,396.87 : x - Step 2: Convert to fraction form
519,170.14/778,751.70 = 279,396.87/x - Step 3: Cross multiply
519,170.14x = 778,751.70 × 279,396.87 - Step 4: Simplify right side
519,170.14x = 217,580,787,487.18 - Step 5: Solve for x
x = 217,580,787,487.18/519,170.14 - Step 6: Final answer
x = 419,093.42
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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.