Finding the Fourth Proportional to 217,787.46, 326,690.91 and 68,030.70
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Solution
The fourth proportional to 217,787.46, 326,690.91 and 68,030.70 is: 102,049.09
Step by Step Solution
- Step 1: Write the proportion equation
217,787.46 : 326,690.91 = 68,030.70 : x - Step 2: Convert to fraction form
217,787.46/326,690.91 = 68,030.70/x - Step 3: Cross multiply
217,787.46x = 326,690.91 × 68,030.70 - Step 4: Simplify right side
217,787.46x = 22,225,011,290.94 - Step 5: Solve for x
x = 22,225,011,290.94/217,787.46 - Step 6: Final answer
x = 102,049.09
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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.