Finding the Fourth Proportional to 321,501.08, 482,246.76 and 134,512.58
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Solution
The fourth proportional to 321,501.08, 482,246.76 and 134,512.58 is: 201,766.84
Step by Step Solution
- Step 1: Write the proportion equation
321,501.08 : 482,246.76 = 134,512.58 : x - Step 2: Convert to fraction form
321,501.08/482,246.76 = 134,512.58/x - Step 3: Cross multiply
321,501.08x = 482,246.76 × 134,512.58 - Step 4: Simplify right side
321,501.08x = 64,868,255,884.24 - Step 5: Solve for x
x = 64,868,255,884.24/321,501.08 - Step 6: Final answer
x = 201,766.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.