Finding the Fourth Proportional to 100,872.70, 151,309.05 and 44,739.70
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Solution
The fourth proportional to 100,872.70, 151,309.05 and 44,739.70 is: 67,109.55
Step by Step Solution
- Step 1: Write the proportion equation
100,872.70 : 151,309.05 = 44,739.70 : x - Step 2: Convert to fraction form
100,872.70/151,309.05 = 44,739.70/x - Step 3: Cross multiply
100,872.70x = 151,309.05 × 44,739.70 - Step 4: Simplify right side
100,872.70x = 6,769,521,504.29 - Step 5: Solve for x
x = 6,769,521,504.29/100,872.70 - Step 6: Final answer
x = 67,109.55
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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.