Finding the Fourth Proportional to 219,934.54, 303,353.10 and 201,843.70
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Solution
The fourth proportional to 219,934.54, 303,353.10 and 201,843.70 is: 278,400.61
Step by Step Solution
- Step 1: Write the proportion equation
219,934.54 : 303,353.10 = 201,843.70 : x - Step 2: Convert to fraction form
219,934.54/303,353.10 = 201,843.70/x - Step 3: Cross multiply
219,934.54x = 303,353.10 × 201,843.70 - Step 4: Simplify right side
219,934.54x = 61,229,911,352.09 - Step 5: Solve for x
x = 61,229,911,352.09/219,934.54 - Step 6: Final answer
x = 278,400.61
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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.