Finding the Fourth Proportional to 122,106.80, 183,181.80 and 43,266.80
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Solution
The fourth proportional to 122,106.80, 183,181.80 and 43,266.80 is: 64,907.85
Step by Step Solution
- Step 1: Write the proportion equation
122,106.80 : 183,181.80 = 43,266.80 : x - Step 2: Convert to fraction form
122,106.80/183,181.80 = 43,266.80/x - Step 3: Cross multiply
122,106.80x = 183,181.80 × 43,266.80 - Step 4: Simplify right side
122,106.80x = 7,925,690,304.24 - Step 5: Solve for x
x = 7,925,690,304.24/122,106.80 - Step 6: Final answer
x = 64,907.85
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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.