Finding the Fourth Proportional to 323,639.16, 446,611.75 and 202,845.68
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Solution
The fourth proportional to 323,639.16, 446,611.75 and 202,845.68 is: 279,920.59
Step by Step Solution
- Step 1: Write the proportion equation
323,639.16 : 446,611.75 = 202,845.68 : x - Step 2: Convert to fraction form
323,639.16/446,611.75 = 202,845.68/x - Step 3: Cross multiply
323,639.16x = 446,611.75 × 202,845.68 - Step 4: Simplify right side
323,639.16x = 90,593,264,124.74 - Step 5: Solve for x
x = 90,593,264,124.74/323,639.16 - Step 6: Final answer
x = 279,920.59
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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.