Finding the Fourth Proportional to 331,013.63, 496,473.06 and 106,345.15
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Solution
The fourth proportional to 331,013.63, 496,473.06 and 106,345.15 is: 159,502.50
Step by Step Solution
- Step 1: Write the proportion equation
331,013.63 : 496,473.06 = 106,345.15 : x - Step 2: Convert to fraction form
331,013.63/496,473.06 = 106,345.15/x - Step 3: Cross multiply
331,013.63x = 496,473.06 × 106,345.15 - Step 4: Simplify right side
331,013.63x = 52,797,502,036.66 - Step 5: Solve for x
x = 52,797,502,036.66/331,013.63 - Step 6: Final answer
x = 159,502.50
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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.