Finding the Fourth Proportional to 303,480.30, 455,402.70 and 125,968.80
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Solution
The fourth proportional to 303,480.30, 455,402.70 and 125,968.80 is: 189,028.85
Step by Step Solution
- Step 1: Write the proportion equation
303,480.30 : 455,402.70 = 125,968.80 : x - Step 2: Convert to fraction form
303,480.30/455,402.70 = 125,968.80/x - Step 3: Cross multiply
303,480.30x = 455,402.70 × 125,968.80 - Step 4: Simplify right side
303,480.30x = 57,366,531,635.76 - Step 5: Solve for x
x = 57,366,531,635.76/303,480.30 - Step 6: Final answer
x = 189,028.85
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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.