Finding the Fourth Proportional to 127,118.58, 190,617.26 and 47,101.65
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Solution
The fourth proportional to 127,118.58, 190,617.26 and 47,101.65 is: 70,630.02
Step by Step Solution
- Step 1: Write the proportion equation
127,118.58 : 190,617.26 = 47,101.65 : x - Step 2: Convert to fraction form
127,118.58/190,617.26 = 47,101.65/x - Step 3: Cross multiply
127,118.58x = 190,617.26 × 47,101.65 - Step 4: Simplify right side
127,118.58x = 8,978,387,228.97 - Step 5: Solve for x
x = 8,978,387,228.97/127,118.58 - Step 6: Final answer
x = 70,630.02
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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.