Finding the Fourth Proportional to 381,176.63, 526,014.12 and 217,822.75
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Solution
The fourth proportional to 381,176.63, 526,014.12 and 217,822.75 is: 300,589.89
Step by Step Solution
- Step 1: Write the proportion equation
381,176.63 : 526,014.12 = 217,822.75 : x - Step 2: Convert to fraction form
381,176.63/526,014.12 = 217,822.75/x - Step 3: Cross multiply
381,176.63x = 526,014.12 × 217,822.75 - Step 4: Simplify right side
381,176.63x = 114,577,839,527.16 - Step 5: Solve for x
x = 114,577,839,527.16/381,176.63 - Step 6: Final answer
x = 300,589.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.