Finding the Fourth Proportional to 127,153.88, 190,722.36 and 52,254.62
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Solution
The fourth proportional to 127,153.88, 190,722.36 and 52,254.62 is: 78,378.45
Step by Step Solution
- Step 1: Write the proportion equation
127,153.88 : 190,722.36 = 52,254.62 : x - Step 2: Convert to fraction form
127,153.88/190,722.36 = 52,254.62/x - Step 3: Cross multiply
127,153.88x = 190,722.36 × 52,254.62 - Step 4: Simplify right side
127,153.88x = 9,966,124,447.30 - Step 5: Solve for x
x = 9,966,124,447.30/127,153.88 - Step 6: Final answer
x = 78,378.45
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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.