Finding the Fourth Proportional to 276,806.94, 381,993.58 and 149,482.53
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Solution
The fourth proportional to 276,806.94, 381,993.58 and 149,482.53 is: 206,285.90
Step by Step Solution
- Step 1: Write the proportion equation
276,806.94 : 381,993.58 = 149,482.53 : x - Step 2: Convert to fraction form
276,806.94/381,993.58 = 149,482.53/x - Step 3: Cross multiply
276,806.94x = 381,993.58 × 149,482.53 - Step 4: Simplify right side
276,806.94x = 57,101,367,363.44 - Step 5: Solve for x
x = 57,101,367,363.44/276,806.94 - Step 6: Final answer
x = 206,285.90
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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.