Finding the Fourth Proportional to 209,219.84, 313,711.62 and 191,366.75
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Solution
The fourth proportional to 209,219.84, 313,711.62 and 191,366.75 is: 286,942.06
Step by Step Solution
- Step 1: Write the proportion equation
209,219.84 : 313,711.62 = 191,366.75 : x - Step 2: Convert to fraction form
209,219.84/313,711.62 = 191,366.75/x - Step 3: Cross multiply
209,219.84x = 313,711.62 × 191,366.75 - Step 4: Simplify right side
209,219.84x = 60,033,973,223.29 - Step 5: Solve for x
x = 60,033,973,223.29/209,219.84 - Step 6: Final answer
x = 286,942.06
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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.