Finding the Fourth Proportional to 209,596.20, 314,440.68 and 76,476.07
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Solution
The fourth proportional to 209,596.20, 314,440.68 and 76,476.07 is: 114,731.03
Step by Step Solution
- Step 1: Write the proportion equation
209,596.20 : 314,440.68 = 76,476.07 : x - Step 2: Convert to fraction form
209,596.20/314,440.68 = 76,476.07/x - Step 3: Cross multiply
209,596.20x = 314,440.68 × 76,476.07 - Step 4: Simplify right side
209,596.20x = 24,047,187,454.53 - Step 5: Solve for x
x = 24,047,187,454.53/209,596.20 - Step 6: Final answer
x = 114,731.03
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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.