Finding the Fourth Proportional to 71,794.44, 107,683.47 and 19,207.98
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Solution
The fourth proportional to 71,794.44, 107,683.47 and 19,207.98 is: 28,809.78
Step by Step Solution
- Step 1: Write the proportion equation
71,794.44 : 107,683.47 = 19,207.98 : x - Step 2: Convert to fraction form
71,794.44/107,683.47 = 19,207.98/x - Step 3: Cross multiply
71,794.44x = 107,683.47 × 19,207.98 - Step 4: Simplify right side
71,794.44x = 2,068,381,938.09 - Step 5: Solve for x
x = 2,068,381,938.09/71,794.44 - Step 6: Final answer
x = 28,809.78
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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.