Finding the Fourth Proportional to 149,319.07, 206,060.33 and 82,251.07
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Solution
The fourth proportional to 149,319.07, 206,060.33 and 82,251.07 is: 113,506.48
Step by Step Solution
- Step 1: Write the proportion equation
149,319.07 : 206,060.33 = 82,251.07 : x - Step 2: Convert to fraction form
149,319.07/206,060.33 = 82,251.07/x - Step 3: Cross multiply
149,319.07x = 206,060.33 × 82,251.07 - Step 4: Simplify right side
149,319.07x = 16,948,682,627.05 - Step 5: Solve for x
x = 16,948,682,627.05/149,319.07 - Step 6: Final answer
x = 113,506.48
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1.5x scale
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.