Finding the Fourth Proportional to 281,270.97, 388,150.99 and 152,206.62
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Solution
The fourth proportional to 281,270.97, 388,150.99 and 152,206.62 is: 210,043.54
Step by Step Solution
- Step 1: Write the proportion equation
281,270.97 : 388,150.99 = 152,206.62 : x - Step 2: Convert to fraction form
281,270.97/388,150.99 = 152,206.62/x - Step 3: Cross multiply
281,270.97x = 388,150.99 × 152,206.62 - Step 4: Simplify right side
281,270.97x = 59,079,150,446.90 - Step 5: Solve for x
x = 59,079,150,446.90/281,270.97 - Step 6: Final answer
x = 210,043.54
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1.5x scale
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.