Finding the Fourth Proportional to 127,209.68, 190,901.99 and 44,103.68
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Solution
The fourth proportional to 127,209.68, 190,901.99 and 44,103.68 is: 66,185.85
Step by Step Solution
- Step 1: Write the proportion equation
127,209.68 : 190,901.99 = 44,103.68 : x - Step 2: Convert to fraction form
127,209.68/190,901.99 = 44,103.68/x - Step 3: Cross multiply
127,209.68x = 190,901.99 × 44,103.68 - Step 4: Simplify right side
127,209.68x = 8,419,480,278.32 - Step 5: Solve for x
x = 8,419,480,278.32/127,209.68 - Step 6: Final answer
x = 66,185.85
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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.