Finding the Fourth Proportional to 168,197.34, 252,202.95 and 66,892.80
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Solution
The fourth proportional to 168,197.34, 252,202.95 and 66,892.80 is: 100,302.19
Step by Step Solution
- Step 1: Write the proportion equation
168,197.34 : 252,202.95 = 66,892.80 : x - Step 2: Convert to fraction form
168,197.34/252,202.95 = 66,892.80/x - Step 3: Cross multiply
168,197.34x = 252,202.95 × 66,892.80 - Step 4: Simplify right side
168,197.34x = 16,870,561,493.76 - Step 5: Solve for x
x = 16,870,561,493.76/168,197.34 - Step 6: Final answer
x = 100,302.19
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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.