Finding the Fourth Proportional to 195,398.44, 269,770.80 and 149,989.48
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Solution
The fourth proportional to 195,398.44, 269,770.80 and 149,989.48 is: 207,078.33
Step by Step Solution
- Step 1: Write the proportion equation
195,398.44 : 269,770.80 = 149,989.48 : x - Step 2: Convert to fraction form
195,398.44/269,770.80 = 149,989.48/x - Step 3: Cross multiply
195,398.44x = 269,770.80 × 149,989.48 - Step 4: Simplify right side
195,398.44x = 40,462,782,011.18 - Step 5: Solve for x
x = 40,462,782,011.18/195,398.44 - Step 6: Final answer
x = 207,078.33
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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.