Finding the Fourth Proportional to 323,378.74, 446,276.46 and 180,138.88
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Solution
The fourth proportional to 323,378.74, 446,276.46 and 180,138.88 is: 248,599.34
Step by Step Solution
- Step 1: Write the proportion equation
323,378.74 : 446,276.46 = 180,138.88 : x - Step 2: Convert to fraction form
323,378.74/446,276.46 = 180,138.88/x - Step 3: Cross multiply
323,378.74x = 446,276.46 × 180,138.88 - Step 4: Simplify right side
323,378.74x = 80,391,741,674.76 - Step 5: Solve for x
x = 80,391,741,674.76/323,378.74 - Step 6: Final answer
x = 248,599.34
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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.