Finding the Fourth Proportional to 214,164.37, 295,546.73 and 128,126.99
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Solution
The fourth proportional to 214,164.37, 295,546.73 and 128,126.99 is: 176,815.19
Step by Step Solution
- Step 1: Write the proportion equation
214,164.37 : 295,546.73 = 128,126.99 : x - Step 2: Convert to fraction form
214,164.37/295,546.73 = 128,126.99/x - Step 3: Cross multiply
214,164.37x = 295,546.73 × 128,126.99 - Step 4: Simplify right side
214,164.37x = 37,867,512,870.13 - Step 5: Solve for x
x = 37,867,512,870.13/214,164.37 - Step 6: Final answer
x = 176,815.19
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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.