Finding the Fourth Proportional to 168,394.13, 252,372.49 and 68,438.00
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Solution
The fourth proportional to 168,394.13, 252,372.49 and 68,438.00 is: 102,568.12
Step by Step Solution
- Step 1: Write the proportion equation
168,394.13 : 252,372.49 = 68,438.00 : x - Step 2: Convert to fraction form
168,394.13/252,372.49 = 68,438.00/x - Step 3: Cross multiply
168,394.13x = 252,372.49 × 68,438.00 - Step 4: Simplify right side
168,394.13x = 17,271,868,930.46 - Step 5: Solve for x
x = 17,271,868,930.46/168,394.13 - Step 6: Final answer
x = 102,568.12
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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.