Finding the Fourth Proportional to 168,785.08, 252,954.06 and 89,729.08
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Solution
The fourth proportional to 168,785.08, 252,954.06 and 89,729.08 is: 134,474.77
Step by Step Solution
- Step 1: Write the proportion equation
168,785.08 : 252,954.06 = 89,729.08 : x - Step 2: Convert to fraction form
168,785.08/252,954.06 = 89,729.08/x - Step 3: Cross multiply
168,785.08x = 252,954.06 × 89,729.08 - Step 4: Simplify right side
168,785.08x = 22,697,335,086.06 - Step 5: Solve for x
x = 22,697,335,086.06/168,785.08 - Step 6: Final answer
x = 134,474.77
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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.