Finding the Fourth Proportional to 425,540.99, 637,880.92 and 275,876.38
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Solution
The fourth proportional to 425,540.99, 637,880.92 and 275,876.38 is: 413,535.44
Step by Step Solution
- Step 1: Write the proportion equation
425,540.99 : 637,880.92 = 275,876.38 : x - Step 2: Convert to fraction form
425,540.99/637,880.92 = 275,876.38/x - Step 3: Cross multiply
425,540.99x = 637,880.92 × 275,876.38 - Step 4: Simplify right side
425,540.99x = 175,976,280,740.13 - Step 5: Solve for x
x = 175,976,280,740.13/425,540.99 - Step 6: Final answer
x = 413,535.44
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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.