Finding the Fourth Proportional to 477,977.09, 659,616.82 and 260,192.05
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Solution
The fourth proportional to 477,977.09, 659,616.82 and 260,192.05 is: 359,069.62
Step by Step Solution
- Step 1: Write the proportion equation
477,977.09 : 659,616.82 = 260,192.05 : x - Step 2: Convert to fraction form
477,977.09/659,616.82 = 260,192.05/x - Step 3: Cross multiply
477,977.09x = 659,616.82 × 260,192.05 - Step 4: Simplify right side
477,977.09x = 171,627,050,310.76 - Step 5: Solve for x
x = 171,627,050,310.76/477,977.09 - Step 6: Final answer
x = 359,069.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.