Finding the Fourth Proportional to 199,932.12, 299,750.04 and 121,027.68
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Solution
The fourth proportional to 199,932.12, 299,750.04 and 121,027.68 is: 181,451.84
Step by Step Solution
- Step 1: Write the proportion equation
199,932.12 : 299,750.04 = 121,027.68 : x - Step 2: Convert to fraction form
199,932.12/299,750.04 = 121,027.68/x - Step 3: Cross multiply
199,932.12x = 299,750.04 × 121,027.68 - Step 4: Simplify right side
199,932.12x = 36,278,051,921.11 - Step 5: Solve for x
x = 36,278,051,921.11/199,932.12 - Step 6: Final answer
x = 181,451.84
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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.