Finding the Fourth Proportional to 255,112.05, 351,936.83 and 164,497.12
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Solution
The fourth proportional to 255,112.05, 351,936.83 and 164,497.12 is: 226,930.07
Step by Step Solution
- Step 1: Write the proportion equation
255,112.05 : 351,936.83 = 164,497.12 : x - Step 2: Convert to fraction form
255,112.05/351,936.83 = 164,497.12/x - Step 3: Cross multiply
255,112.05x = 351,936.83 × 164,497.12 - Step 4: Simplify right side
255,112.05x = 57,892,594,956.93 - Step 5: Solve for x
x = 57,892,594,956.93/255,112.05 - Step 6: Final answer
x = 226,930.07
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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.