Finding the Fourth Proportional to 479,578.20, 719,102.79 and 195,195.75
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Solution
The fourth proportional to 479,578.20, 719,102.79 and 195,195.75 is: 292,685.97
Step by Step Solution
- Step 1: Write the proportion equation
479,578.20 : 719,102.79 = 195,195.75 : x - Step 2: Convert to fraction form
479,578.20/719,102.79 = 195,195.75/x - Step 3: Cross multiply
479,578.20x = 719,102.79 × 195,195.75 - Step 4: Simplify right side
479,578.20x = 140,365,808,421.14 - Step 5: Solve for x
x = 140,365,808,421.14/479,578.20 - Step 6: Final answer
x = 292,685.97
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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.