Finding the Fourth Proportional to 200,377.51, 276,390.57 and 135,076.12
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Solution
The fourth proportional to 200,377.51, 276,390.57 and 135,076.12 is: 186,317.15
Step by Step Solution
- Step 1: Write the proportion equation
200,377.51 : 276,390.57 = 135,076.12 : x - Step 2: Convert to fraction form
200,377.51/276,390.57 = 135,076.12/x - Step 3: Cross multiply
200,377.51x = 276,390.57 × 135,076.12 - Step 4: Simplify right side
200,377.51x = 37,333,765,800.19 - Step 5: Solve for x
x = 37,333,765,800.19/200,377.51 - Step 6: Final answer
x = 186,317.15
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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.