Finding the Fourth Proportional to 278,496.87, 417,025.85 and 192,208.99
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Solution
The fourth proportional to 278,496.87, 417,025.85 and 192,208.99 is: 287,816.95
Step by Step Solution
- Step 1: Write the proportion equation
278,496.87 : 417,025.85 = 192,208.99 : x - Step 2: Convert to fraction form
278,496.87/417,025.85 = 192,208.99/x - Step 3: Cross multiply
278,496.87x = 417,025.85 × 192,208.99 - Step 4: Simplify right side
278,496.87x = 80,156,118,305.04 - Step 5: Solve for x
x = 80,156,118,305.04/278,496.87 - Step 6: Final answer
x = 287,816.95
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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.