Finding the Fourth Proportional to 281,363.58, 388,239.84 and 170,924.94
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Solution
The fourth proportional to 281,363.58, 388,239.84 and 170,924.94 is: 235,850.96
Step by Step Solution
- Step 1: Write the proportion equation
281,363.58 : 388,239.84 = 170,924.94 : x - Step 2: Convert to fraction form
281,363.58/388,239.84 = 170,924.94/x - Step 3: Cross multiply
281,363.58x = 388,239.84 × 170,924.94 - Step 4: Simplify right side
281,363.58x = 66,359,871,357.61 - Step 5: Solve for x
x = 66,359,871,357.61/281,363.58 - Step 6: Final answer
x = 235,850.96
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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.