Finding the Fourth Proportional to 276,823.70, 414,251.40 and 192,186.80
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Solution
The fourth proportional to 276,823.70, 414,251.40 and 192,186.80 is: 287,596.95
Step by Step Solution
- Step 1: Write the proportion equation
276,823.70 : 414,251.40 = 192,186.80 : x - Step 2: Convert to fraction form
276,823.70/414,251.40 = 192,186.80/x - Step 3: Cross multiply
276,823.70x = 414,251.40 × 192,186.80 - Step 4: Simplify right side
276,823.70x = 79,613,650,961.52 - Step 5: Solve for x
x = 79,613,650,961.52/276,823.70 - Step 6: Final answer
x = 287,596.95
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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.