Finding the Fourth Proportional to 122,277.88, 183,468.66 and 66,809.08
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Solution
The fourth proportional to 122,277.88, 183,468.66 and 66,809.08 is: 100,241.94
Step by Step Solution
- Step 1: Write the proportion equation
122,277.88 : 183,468.66 = 66,809.08 : x - Step 2: Convert to fraction form
122,277.88/183,468.66 = 66,809.08/x - Step 3: Cross multiply
122,277.88x = 183,468.66 × 66,809.08 - Step 4: Simplify right side
122,277.88x = 12,257,372,383.43 - Step 5: Solve for x
x = 12,257,372,383.43/122,277.88 - Step 6: Final answer
x = 100,241.94
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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.