Finding the Fourth Proportional to 331,932.64, 497,947.92 and 107,218.12
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Solution
The fourth proportional to 331,932.64, 497,947.92 and 107,218.12 is: 160,842.99
Step by Step Solution
- Step 1: Write the proportion equation
331,932.64 : 497,947.92 = 107,218.12 : x - Step 2: Convert to fraction form
331,932.64/497,947.92 = 107,218.12/x - Step 3: Cross multiply
331,932.64x = 497,947.92 × 107,218.12 - Step 4: Simplify right side
331,932.64x = 53,389,039,840.31 - Step 5: Solve for x
x = 53,389,039,840.31/331,932.64 - Step 6: Final answer
x = 160,842.99
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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.