Finding the Fourth Proportional to 248,955.99, 343,507.74 and 145,570.29
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Solution
The fourth proportional to 248,955.99, 343,507.74 and 145,570.29 is: 200,856.87
Step by Step Solution
- Step 1: Write the proportion equation
248,955.99 : 343,507.74 = 145,570.29 : x - Step 2: Convert to fraction form
248,955.99/343,507.74 = 145,570.29/x - Step 3: Cross multiply
248,955.99x = 343,507.74 × 145,570.29 - Step 4: Simplify right side
248,955.99x = 50,004,521,329.04 - Step 5: Solve for x
x = 50,004,521,329.04/248,955.99 - Step 6: Final answer
x = 200,856.87
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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.