Finding the Fourth Proportional to 122,250.63, 183,338.61 and 84,542.31
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Solution
The fourth proportional to 122,250.63, 183,338.61 and 84,542.31 is: 126,787.65
Step by Step Solution
- Step 1: Write the proportion equation
122,250.63 : 183,338.61 = 84,542.31 : x - Step 2: Convert to fraction form
122,250.63/183,338.61 = 84,542.31/x - Step 3: Cross multiply
122,250.63x = 183,338.61 × 84,542.31 - Step 4: Simplify right side
122,250.63x = 15,499,869,601.59 - Step 5: Solve for x
x = 15,499,869,601.59/122,250.63 - Step 6: Final answer
x = 126,787.65
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1.5x scale
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.