Finding the Fourth Proportional to 195,769.20, 293,653.80 and 107,195.70
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Solution
The fourth proportional to 195,769.20, 293,653.80 and 107,195.70 is: 160,793.55
Step by Step Solution
- Step 1: Write the proportion equation
195,769.20 : 293,653.80 = 107,195.70 : x - Step 2: Convert to fraction form
195,769.20/293,653.80 = 107,195.70/x - Step 3: Cross multiply
195,769.20x = 293,653.80 × 107,195.70 - Step 4: Simplify right side
195,769.20x = 31,478,424,648.66 - Step 5: Solve for x
x = 31,478,424,648.66/195,769.20 - Step 6: Final answer
x = 160,793.55
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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.