Finding the Fourth Proportional to 273,980.08, 410,969.10 and 74,299.96
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Solution
The fourth proportional to 273,980.08, 410,969.10 and 74,299.96 is: 111,449.66
Step by Step Solution
- Step 1: Write the proportion equation
273,980.08 : 410,969.10 = 74,299.96 : x - Step 2: Convert to fraction form
273,980.08/410,969.10 = 74,299.96/x - Step 3: Cross multiply
273,980.08x = 410,969.10 × 74,299.96 - Step 4: Simplify right side
273,980.08x = 30,534,987,691.24 - Step 5: Solve for x
x = 30,534,987,691.24/273,980.08 - Step 6: Final answer
x = 111,449.66
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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.