Finding the Fourth Proportional to 183,628.97, 253,447.49 and 140,134.49
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Solution
The fourth proportional to 183,628.97, 253,447.49 and 140,134.49 is: 193,415.75
Step by Step Solution
- Step 1: Write the proportion equation
183,628.97 : 253,447.49 = 140,134.49 : x - Step 2: Convert to fraction form
183,628.97/253,447.49 = 140,134.49/x - Step 3: Cross multiply
183,628.97x = 253,447.49 × 140,134.49 - Step 4: Simplify right side
183,628.97x = 35,516,734,052.26 - Step 5: Solve for x
x = 35,516,734,052.26/183,628.97 - Step 6: Final answer
x = 193,415.75
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1.5x scale
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.