Finding the Fourth Proportional to 202,378.08, 279,280.44 and 111,739.68
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Solution
The fourth proportional to 202,378.08, 279,280.44 and 111,739.68 is: 154,200.03
Step by Step Solution
- Step 1: Write the proportion equation
202,378.08 : 279,280.44 = 111,739.68 : x - Step 2: Convert to fraction form
202,378.08/279,280.44 = 111,739.68/x - Step 3: Cross multiply
202,378.08x = 279,280.44 × 111,739.68 - Step 4: Simplify right side
202,378.08x = 31,206,706,995.86 - Step 5: Solve for x
x = 31,206,706,995.86/202,378.08 - Step 6: Final answer
x = 154,200.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.