Finding the Fourth Proportional to 226,821.79, 313,011.60 and 124,845.07
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Solution
The fourth proportional to 226,821.79, 313,011.60 and 124,845.07 is: 172,284.84
Step by Step Solution
- Step 1: Write the proportion equation
226,821.79 : 313,011.60 = 124,845.07 : x - Step 2: Convert to fraction form
226,821.79/313,011.60 = 124,845.07/x - Step 3: Cross multiply
226,821.79x = 313,011.60 × 124,845.07 - Step 4: Simplify right side
226,821.79x = 39,077,955,112.81 - Step 5: Solve for x
x = 39,077,955,112.81/226,821.79 - Step 6: Final answer
x = 172,284.84
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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.