Finding the Fourth Proportional to 168,314.28, 252,230.84 and 123,590.12
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Solution
The fourth proportional to 168,314.28, 252,230.84 and 123,590.12 is: 185,208.53
Step by Step Solution
- Step 1: Write the proportion equation
168,314.28 : 252,230.84 = 123,590.12 : x - Step 2: Convert to fraction form
168,314.28/252,230.84 = 123,590.12/x - Step 3: Cross multiply
168,314.28x = 252,230.84 × 123,590.12 - Step 4: Simplify right side
168,314.28x = 31,173,239,783.30 - Step 5: Solve for x
x = 31,173,239,783.30/168,314.28 - Step 6: Final answer
x = 185,208.53
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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.