Finding the Fourth Proportional to 209,774.97, 289,479.36 and 119,118.96
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Solution
The fourth proportional to 209,774.97, 289,479.36 and 119,118.96 is: 164,378.43
Step by Step Solution
- Step 1: Write the proportion equation
209,774.97 : 289,479.36 = 119,118.96 : x - Step 2: Convert to fraction form
209,774.97/289,479.36 = 119,118.96/x - Step 3: Cross multiply
209,774.97x = 289,479.36 × 119,118.96 - Step 4: Simplify right side
209,774.97x = 34,482,480,304.67 - Step 5: Solve for x
x = 34,482,480,304.67/209,774.97 - Step 6: Final answer
x = 164,378.43
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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.