Finding the Fourth Proportional to 276,015.53, 381,190.56 and 190,197.65
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Solution
The fourth proportional to 276,015.53, 381,190.56 and 190,197.65 is: 262,671.99
Step by Step Solution
- Step 1: Write the proportion equation
276,015.53 : 381,190.56 = 190,197.65 : x - Step 2: Convert to fraction form
276,015.53/381,190.56 = 190,197.65/x - Step 3: Cross multiply
276,015.53x = 381,190.56 × 190,197.65 - Step 4: Simplify right side
276,015.53x = 72,501,548,953.92 - Step 5: Solve for x
x = 72,501,548,953.92/276,015.53 - Step 6: Final answer
x = 262,671.99
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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.