Finding the Fourth Proportional to 135,797.19, 203,400.94 and 83,046.75
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Solution
The fourth proportional to 135,797.19, 203,400.94 and 83,046.75 is: 124,389.81
Step by Step Solution
- Step 1: Write the proportion equation
135,797.19 : 203,400.94 = 83,046.75 : x - Step 2: Convert to fraction form
135,797.19/203,400.94 = 83,046.75/x - Step 3: Cross multiply
135,797.19x = 203,400.94 × 83,046.75 - Step 4: Simplify right side
135,797.19x = 16,891,787,013.95 - Step 5: Solve for x
x = 16,891,787,013.95/135,797.19 - Step 6: Final answer
x = 124,389.81
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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.