Finding the Fourth Proportional to 320,276.14, 441,961.86 and 177,027.64
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Solution
The fourth proportional to 320,276.14, 441,961.86 and 177,027.64 is: 244,287.52
Step by Step Solution
- Step 1: Write the proportion equation
320,276.14 : 441,961.86 = 177,027.64 : x - Step 2: Convert to fraction form
320,276.14/441,961.86 = 177,027.64/x - Step 3: Cross multiply
320,276.14x = 441,961.86 × 177,027.64 - Step 4: Simplify right side
320,276.14x = 78,239,465,045.81 - Step 5: Solve for x
x = 78,239,465,045.81/320,276.14 - Step 6: Final answer
x = 244,287.52
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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.