Finding the Fourth Proportional to 121,937.25, 182,938.74 and 50,836.26
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Solution
The fourth proportional to 121,937.25, 182,938.74 and 50,836.26 is: 76,268.09
Step by Step Solution
- Step 1: Write the proportion equation
121,937.25 : 182,938.74 = 50,836.26 : x - Step 2: Convert to fraction form
121,937.25/182,938.74 = 50,836.26/x - Step 3: Cross multiply
121,937.25x = 182,938.74 × 50,836.26 - Step 4: Simplify right side
121,937.25x = 9,299,921,350.71 - Step 5: Solve for x
x = 9,299,921,350.71/121,937.25 - Step 6: Final answer
x = 76,268.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.