Finding the Fourth Proportional to 344,187.73, 516,203.63 and 130,879.60
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Solution
The fourth proportional to 344,187.73, 516,203.63 and 130,879.60 is: 196,289.75
Step by Step Solution
- Step 1: Write the proportion equation
344,187.73 : 516,203.63 = 130,879.60 : x - Step 2: Convert to fraction form
344,187.73/516,203.63 = 130,879.60/x - Step 3: Cross multiply
344,187.73x = 516,203.63 × 130,879.60 - Step 4: Simplify right side
344,187.73x = 67,560,522,668.04 - Step 5: Solve for x
x = 67,560,522,668.04/344,187.73 - Step 6: Final answer
x = 196,289.75
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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.