Finding the Fourth Proportional to 193,749.80, 290,624.70 and 160,981.80
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Solution
The fourth proportional to 193,749.80, 290,624.70 and 160,981.80 is: 241,472.70
Step by Step Solution
- Step 1: Write the proportion equation
193,749.80 : 290,624.70 = 160,981.80 : x - Step 2: Convert to fraction form
193,749.80/290,624.70 = 160,981.80/x - Step 3: Cross multiply
193,749.80x = 290,624.70 × 160,981.80 - Step 4: Simplify right side
193,749.80x = 46,785,287,330.46 - Step 5: Solve for x
x = 46,785,287,330.46/193,749.80 - Step 6: Final answer
x = 241,472.70
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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.