Finding the Fourth Proportional to 127,332.09, 190,879.41 and 43,033.31
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Solution
The fourth proportional to 127,332.09, 190,879.41 and 43,033.31 is: 64,509.83
Step by Step Solution
- Step 1: Write the proportion equation
127,332.09 : 190,879.41 = 43,033.31 : x - Step 2: Convert to fraction form
127,332.09/190,879.41 = 43,033.31/x - Step 3: Cross multiply
127,332.09x = 190,879.41 × 43,033.31 - Step 4: Simplify right side
127,332.09x = 8,214,171,868.75 - Step 5: Solve for x
x = 8,214,171,868.75/127,332.09 - Step 6: Final answer
x = 64,509.83
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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.