Finding the Fourth Proportional to 201,415.98, 277,961.03 and 110,778.80
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Solution
The fourth proportional to 201,415.98, 277,961.03 and 110,778.80 is: 152,878.58
Step by Step Solution
- Step 1: Write the proportion equation
201,415.98 : 277,961.03 = 110,778.80 : x - Step 2: Convert to fraction form
201,415.98/277,961.03 = 110,778.80/x - Step 3: Cross multiply
201,415.98x = 277,961.03 × 110,778.80 - Step 4: Simplify right side
201,415.98x = 30,792,189,350.16 - Step 5: Solve for x
x = 30,792,189,350.16/201,415.98 - Step 6: Final answer
x = 152,878.58
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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.