Finding the Fourth Proportional to 202,507.88, 279,449.28 and 120,928.19
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Solution
The fourth proportional to 202,507.88, 279,449.28 and 120,928.19 is: 166,873.98
Step by Step Solution
- Step 1: Write the proportion equation
202,507.88 : 279,449.28 = 120,928.19 : x - Step 2: Convert to fraction form
202,507.88/279,449.28 = 120,928.19/x - Step 3: Cross multiply
202,507.88x = 279,449.28 × 120,928.19 - Step 4: Simplify right side
202,507.88x = 33,793,294,229.96 - Step 5: Solve for x
x = 33,793,294,229.96/202,507.88 - Step 6: Final answer
x = 166,873.98
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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.