Finding the Fourth Proportional to 212,505.75, 293,251.05 and 117,009.99
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Solution
The fourth proportional to 212,505.75, 293,251.05 and 117,009.99 is: 161,470.00
Step by Step Solution
- Step 1: Write the proportion equation
212,505.75 : 293,251.05 = 117,009.99 : x - Step 2: Convert to fraction form
212,505.75/293,251.05 = 117,009.99/x - Step 3: Cross multiply
212,505.75x = 293,251.05 × 117,009.99 - Step 4: Simplify right side
212,505.75x = 34,313,302,427.99 - Step 5: Solve for x
x = 34,313,302,427.99/212,505.75 - Step 6: Final answer
x = 161,470.00
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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.