Finding the Fourth Proportional to 313,273.42, 432,305.74 and 170,030.39
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Solution
The fourth proportional to 313,273.42, 432,305.74 and 170,030.39 is: 234,635.65
Step by Step Solution
- Step 1: Write the proportion equation
313,273.42 : 432,305.74 = 170,030.39 : x - Step 2: Convert to fraction form
313,273.42/432,305.74 = 170,030.39/x - Step 3: Cross multiply
313,273.42x = 432,305.74 × 170,030.39 - Step 4: Simplify right side
313,273.42x = 73,505,113,571.44 - Step 5: Solve for x
x = 73,505,113,571.44/313,273.42 - Step 6: Final answer
x = 234,635.65
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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.