Finding the Fourth Proportional to 268,993.99, 371,212.92 and 154,277.14
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Solution
The fourth proportional to 268,993.99, 371,212.92 and 154,277.14 is: 212,903.15
Step by Step Solution
- Step 1: Write the proportion equation
268,993.99 : 371,212.92 = 154,277.14 : x - Step 2: Convert to fraction form
268,993.99/371,212.92 = 154,277.14/x - Step 3: Cross multiply
268,993.99x = 371,212.92 × 154,277.14 - Step 4: Simplify right side
268,993.99x = 57,269,667,628.65 - Step 5: Solve for x
x = 57,269,667,628.65/268,993.99 - Step 6: Final answer
x = 212,903.15
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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.