Finding the Fourth Proportional to 223,135.75, 307,927.34 and 122,533.75
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Solution
The fourth proportional to 223,135.75, 307,927.34 and 122,533.75 is: 169,096.58
Step by Step Solution
- Step 1: Write the proportion equation
223,135.75 : 307,927.34 = 122,533.75 : x - Step 2: Convert to fraction form
223,135.75/307,927.34 = 122,533.75/x - Step 3: Cross multiply
223,135.75x = 307,927.34 × 122,533.75 - Step 4: Simplify right side
223,135.75x = 37,731,491,697.73 - Step 5: Solve for x
x = 37,731,491,697.73/223,135.75 - Step 6: Final answer
x = 169,096.58
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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.