Finding the Fourth Proportional to 209,964.05, 289,750.37 and 119,320.19
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Solution
The fourth proportional to 209,964.05, 289,750.37 and 119,320.19 is: 164,661.85
Step by Step Solution
- Step 1: Write the proportion equation
209,964.05 : 289,750.37 = 119,320.19 : x - Step 2: Convert to fraction form
209,964.05/289,750.37 = 119,320.19/x - Step 3: Cross multiply
209,964.05x = 289,750.37 × 119,320.19 - Step 4: Simplify right side
209,964.05x = 34,573,067,155.62 - Step 5: Solve for x
x = 34,573,067,155.62/209,964.05 - Step 6: Final answer
x = 164,661.85
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1.5x scale
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.