Finding the Fourth Proportional to 202,774.32, 279,735.54 and 131,177.42
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Solution
The fourth proportional to 202,774.32, 279,735.54 and 131,177.42 is: 180,964.66
Step by Step Solution
- Step 1: Write the proportion equation
202,774.32 : 279,735.54 = 131,177.42 : x - Step 2: Convert to fraction form
202,774.32/279,735.54 = 131,177.42/x - Step 3: Cross multiply
202,774.32x = 279,735.54 × 131,177.42 - Step 4: Simplify right side
202,774.32x = 36,694,986,419.51 - Step 5: Solve for x
x = 36,694,986,419.51/202,774.32 - Step 6: Final answer
x = 180,964.66
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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.