Finding the Fourth Proportional to 135,410.10, 203,115.15 and 133,077.30
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Solution
The fourth proportional to 135,410.10, 203,115.15 and 133,077.30 is: 199,615.95
Step by Step Solution
- Step 1: Write the proportion equation
135,410.10 : 203,115.15 = 133,077.30 : x - Step 2: Convert to fraction form
135,410.10/203,115.15 = 133,077.30/x - Step 3: Cross multiply
135,410.10x = 203,115.15 × 133,077.30 - Step 4: Simplify right side
135,410.10x = 27,030,015,751.10 - Step 5: Solve for x
x = 27,030,015,751.10/135,410.10 - Step 6: Final answer
x = 199,615.95
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1.5x scale
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.