Finding the Fourth Proportional to 71,794.24, 107,682.88 and 19,207.84
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Solution
The fourth proportional to 71,794.24, 107,682.88 and 19,207.84 is: 28,809.49
Step by Step Solution
- Step 1: Write the proportion equation
71,794.24 : 107,682.88 = 19,207.84 : x - Step 2: Convert to fraction form
71,794.24/107,682.88 = 19,207.84/x - Step 3: Cross multiply
71,794.24x = 107,682.88 × 19,207.84 - Step 4: Simplify right side
71,794.24x = 2,068,355,529.78 - Step 5: Solve for x
x = 2,068,355,529.78/71,794.24 - Step 6: Final answer
x = 28,809.49
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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.