Finding the Fourth Proportional to 214,112.76, 295,338.60 and 137,605.83
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Solution
The fourth proportional to 214,112.76, 295,338.60 and 137,605.83 is: 189,807.99
Step by Step Solution
- Step 1: Write the proportion equation
214,112.76 : 295,338.60 = 137,605.83 : x - Step 2: Convert to fraction form
214,112.76/295,338.60 = 137,605.83/x - Step 3: Cross multiply
214,112.76x = 295,338.60 × 137,605.83 - Step 4: Simplify right side
214,112.76x = 40,640,313,184.04 - Step 5: Solve for x
x = 40,640,313,184.04/214,112.76 - Step 6: Final answer
x = 189,807.99
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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.