Finding the Fourth Proportional to 316,936.44, 437,375.64 and 173,693.34
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Solution
The fourth proportional to 316,936.44, 437,375.64 and 173,693.34 is: 239,698.65
Step by Step Solution
- Step 1: Write the proportion equation
316,936.44 : 437,375.64 = 173,693.34 : x - Step 2: Convert to fraction form
316,936.44/437,375.64 = 173,693.34/x - Step 3: Cross multiply
316,936.44x = 437,375.64 × 173,693.34 - Step 4: Simplify right side
316,936.44x = 75,969,235,746.24 - Step 5: Solve for x
x = 75,969,235,746.24/316,936.44 - Step 6: Final answer
x = 239,698.65
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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.