Finding the Fourth Proportional to 183,438.45, 257,163.75 and 183,438.45
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Solution
The fourth proportional to 183,438.45, 257,163.75 and 183,438.45 is: 257,163.75
Step by Step Solution
- Step 1: Write the proportion equation
183,438.45 : 257,163.75 = 183,438.45 : x - Step 2: Convert to fraction form
183,438.45/257,163.75 = 183,438.45/x - Step 3: Cross multiply
183,438.45x = 257,163.75 × 183,438.45 - Step 4: Simplify right side
183,438.45x = 47,173,719,696.19 - Step 5: Solve for x
x = 47,173,719,696.19/183,438.45 - Step 6: Final answer
x = 257,163.75
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.