Finding the Fourth Proportional to 122,114.80, 183,193.80 and 43,274.80
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Solution
The fourth proportional to 122,114.80, 183,193.80 and 43,274.80 is: 64,919.85
Step by Step Solution
- Step 1: Write the proportion equation
122,114.80 : 183,193.80 = 43,274.80 : x - Step 2: Convert to fraction form
122,114.80/183,193.80 = 43,274.80/x - Step 3: Cross multiply
122,114.80x = 183,193.80 × 43,274.80 - Step 4: Simplify right side
122,114.80x = 7,927,675,056.24 - Step 5: Solve for x
x = 7,927,675,056.24/122,114.80 - Step 6: Final answer
x = 64,919.85
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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.