Finding the Fourth Proportional to 477,122.10, 715,682.70 and 122,135.55
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Solution
The fourth proportional to 477,122.10, 715,682.70 and 122,135.55 is: 183,203.21
Step by Step Solution
- Step 1: Write the proportion equation
477,122.10 : 715,682.70 = 122,135.55 : x - Step 2: Convert to fraction form
477,122.10/715,682.70 = 122,135.55/x - Step 3: Cross multiply
477,122.10x = 715,682.70 × 122,135.55 - Step 4: Simplify right side
477,122.10x = 87,410,300,189.99 - Step 5: Solve for x
x = 87,410,300,189.99/477,122.10 - Step 6: Final answer
x = 183,203.21
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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.