Finding the Fourth Proportional to 253,919.88, 350,242.79 and 163,132.65
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Solution
The fourth proportional to 253,919.88, 350,242.79 and 163,132.65 is: 225,015.99
Step by Step Solution
- Step 1: Write the proportion equation
253,919.88 : 350,242.79 = 163,132.65 : x - Step 2: Convert to fraction form
253,919.88/350,242.79 = 163,132.65/x - Step 3: Cross multiply
253,919.88x = 350,242.79 × 163,132.65 - Step 4: Simplify right side
253,919.88x = 57,136,033,660.43 - Step 5: Solve for x
x = 57,136,033,660.43/253,919.88 - Step 6: Final answer
x = 225,015.99
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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.