Finding the Fourth Proportional to 195,543.19, 269,849.60 and 106,119.19
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Solution
The fourth proportional to 195,543.19, 269,849.60 and 106,119.19 is: 146,444.48
Step by Step Solution
- Step 1: Write the proportion equation
195,543.19 : 269,849.60 = 106,119.19 : x - Step 2: Convert to fraction form
195,543.19/269,849.60 = 106,119.19/x - Step 3: Cross multiply
195,543.19x = 269,849.60 × 106,119.19 - Step 4: Simplify right side
195,543.19x = 28,636,220,299.20 - Step 5: Solve for x
x = 28,636,220,299.20/195,543.19 - Step 6: Final answer
x = 146,444.48
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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.