Finding the Fourth Proportional to 168,480.27, 252,635.90 and 56,120.99
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Solution
The fourth proportional to 168,480.27, 252,635.90 and 56,120.99 is: 84,153.33
Step by Step Solution
- Step 1: Write the proportion equation
168,480.27 : 252,635.90 = 56,120.99 : x - Step 2: Convert to fraction form
168,480.27/252,635.90 = 56,120.99/x - Step 3: Cross multiply
168,480.27x = 252,635.90 × 56,120.99 - Step 4: Simplify right side
168,480.27x = 14,178,175,273.76 - Step 5: Solve for x
x = 14,178,175,273.76/168,480.27 - Step 6: Final answer
x = 84,153.33
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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.