Finding the Fourth Proportional to 127,430.49, 191,150.60 and 65,028.09
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Solution
The fourth proportional to 127,430.49, 191,150.60 and 65,028.09 is: 97,544.62
Step by Step Solution
- Step 1: Write the proportion equation
127,430.49 : 191,150.60 = 65,028.09 : x - Step 2: Convert to fraction form
127,430.49/191,150.60 = 65,028.09/x - Step 3: Cross multiply
127,430.49x = 191,150.60 × 65,028.09 - Step 4: Simplify right side
127,430.49x = 12,430,158,095.21 - Step 5: Solve for x
x = 12,430,158,095.21/127,430.49 - Step 6: Final answer
x = 97,544.62
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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.