Finding the Fourth Proportional to 313,571.08, 432,736.14 and 170,339.32
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Solution
The fourth proportional to 313,571.08, 432,736.14 and 170,339.32 is: 235,072.63
Step by Step Solution
- Step 1: Write the proportion equation
313,571.08 : 432,736.14 = 170,339.32 : x - Step 2: Convert to fraction form
313,571.08/432,736.14 = 170,339.32/x - Step 3: Cross multiply
313,571.08x = 432,736.14 × 170,339.32 - Step 4: Simplify right side
313,571.08x = 73,711,979,827.02 - Step 5: Solve for x
x = 73,711,979,827.02/313,571.08 - Step 6: Final answer
x = 235,072.63
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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.