Finding the Fourth Proportional to 135,031.20, 202,546.80 and 133,062.90
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Solution
The fourth proportional to 135,031.20, 202,546.80 and 133,062.90 is: 199,594.35
Step by Step Solution
- Step 1: Write the proportion equation
135,031.20 : 202,546.80 = 133,062.90 : x - Step 2: Convert to fraction form
135,031.20/202,546.80 = 133,062.90/x - Step 3: Cross multiply
135,031.20x = 202,546.80 × 133,062.90 - Step 4: Simplify right side
135,031.20x = 26,951,464,593.72 - Step 5: Solve for x
x = 26,951,464,593.72/135,031.20 - Step 6: Final answer
x = 199,594.35
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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.