Finding the Fourth Proportional to 320,273.55, 441,958.50 and 177,025.05
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Solution
The fourth proportional to 320,273.55, 441,958.50 and 177,025.05 is: 244,284.07
Step by Step Solution
- Step 1: Write the proportion equation
320,273.55 : 441,958.50 = 177,025.05 : x - Step 2: Convert to fraction form
320,273.55/441,958.50 = 177,025.05/x - Step 3: Cross multiply
320,273.55x = 441,958.50 × 177,025.05 - Step 4: Simplify right side
320,273.55x = 78,237,725,560.43 - Step 5: Solve for x
x = 78,237,725,560.43/320,273.55 - Step 6: Final answer
x = 244,284.07
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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.