Finding the Fourth Proportional to 168,229.80, 252,695.70 and 141,985.80
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Solution
The fourth proportional to 168,229.80, 252,695.70 and 141,985.80 is: 213,274.94
Step by Step Solution
- Step 1: Write the proportion equation
168,229.80 : 252,695.70 = 141,985.80 : x - Step 2: Convert to fraction form
168,229.80/252,695.70 = 141,985.80/x - Step 3: Cross multiply
168,229.80x = 252,695.70 × 141,985.80 - Step 4: Simplify right side
168,229.80x = 35,879,201,121.06 - Step 5: Solve for x
x = 35,879,201,121.06/168,229.80 - Step 6: Final answer
x = 213,274.94
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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.