Finding the Fourth Proportional to 194,785.20, 292,177.80 and 185,599.80
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Solution
The fourth proportional to 194,785.20, 292,177.80 and 185,599.80 is: 278,399.70
Step by Step Solution
- Step 1: Write the proportion equation
194,785.20 : 292,177.80 = 185,599.80 : x - Step 2: Convert to fraction form
194,785.20/292,177.80 = 185,599.80/x - Step 3: Cross multiply
194,785.20x = 292,177.80 × 185,599.80 - Step 4: Simplify right side
194,785.20x = 54,228,141,244.44 - Step 5: Solve for x
x = 54,228,141,244.44/194,785.20 - Step 6: Final answer
x = 278,399.70
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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.