Finding the Fourth Proportional to 320,600.10, 480,266.55 and 281,201.70
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Solution
The fourth proportional to 320,600.10, 480,266.55 and 281,201.70 is: 421,246.81
Step by Step Solution
- Step 1: Write the proportion equation
320,600.10 : 480,266.55 = 281,201.70 : x - Step 2: Convert to fraction form
320,600.10/480,266.55 = 281,201.70/x - Step 3: Cross multiply
320,600.10x = 480,266.55 × 281,201.70 - Step 4: Simplify right side
320,600.10x = 135,051,770,313.14 - Step 5: Solve for x
x = 135,051,770,313.14/320,600.10 - Step 6: Final answer
x = 421,246.81
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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.