Finding the Fourth Proportional to 331,056.65, 496,631.68 and 106,341.75
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Solution
The fourth proportional to 331,056.65, 496,631.68 and 106,341.75 is: 159,527.63
Step by Step Solution
- Step 1: Write the proportion equation
331,056.65 : 496,631.68 = 106,341.75 : x - Step 2: Convert to fraction form
331,056.65/496,631.68 = 106,341.75/x - Step 3: Cross multiply
331,056.65x = 496,631.68 × 106,341.75 - Step 4: Simplify right side
331,056.65x = 52,812,681,424.93 - Step 5: Solve for x
x = 52,812,681,424.93/331,056.65 - Step 6: Final answer
x = 159,527.63
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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.