Finding the Fourth Proportional to 197,996.90, 273,237.67 and 107,352.63
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Solution
The fourth proportional to 197,996.90, 273,237.67 and 107,352.63 is: 148,147.69
Step by Step Solution
- Step 1: Write the proportion equation
197,996.90 : 273,237.67 = 107,352.63 : x - Step 2: Convert to fraction form
197,996.90/273,237.67 = 107,352.63/x - Step 3: Cross multiply
197,996.90x = 273,237.67 × 107,352.63 - Step 4: Simplify right side
197,996.90x = 29,332,781,952.81 - Step 5: Solve for x
x = 29,332,781,952.81/197,996.90 - Step 6: Final answer
x = 148,147.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.