Finding the Fourth Proportional to 485,183.80, 727,775.70 and 367,085.80
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Solution
The fourth proportional to 485,183.80, 727,775.70 and 367,085.80 is: 550,628.70
Step by Step Solution
- Step 1: Write the proportion equation
485,183.80 : 727,775.70 = 367,085.80 : x - Step 2: Convert to fraction form
485,183.80/727,775.70 = 367,085.80/x - Step 3: Cross multiply
485,183.80x = 727,775.70 × 367,085.80 - Step 4: Simplify right side
485,183.80x = 267,156,125,055.06 - Step 5: Solve for x
x = 267,156,125,055.06/485,183.80 - Step 6: Final answer
x = 550,628.70
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Similar ratio
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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.