Finding the Fourth Proportional to 269,930.12, 405,144.26 and 136,903.80
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Solution
The fourth proportional to 269,930.12, 405,144.26 and 136,903.80 is: 205,482.03
Step by Step Solution
- Step 1: Write the proportion equation
269,930.12 : 405,144.26 = 136,903.80 : x - Step 2: Convert to fraction form
269,930.12/405,144.26 = 136,903.80/x - Step 3: Cross multiply
269,930.12x = 405,144.26 × 136,903.80 - Step 4: Simplify right side
269,930.12x = 55,465,788,742.19 - Step 5: Solve for x
x = 55,465,788,742.19/269,930.12 - Step 6: Final answer
x = 205,482.03
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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.