Finding the Fourth Proportional to 253,952.68, 350,431.14 and 140,765.80
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Solution
The fourth proportional to 253,952.68, 350,431.14 and 140,765.80 is: 194,243.75
Step by Step Solution
- Step 1: Write the proportion equation
253,952.68 : 350,431.14 = 140,765.80 : x - Step 2: Convert to fraction form
253,952.68/350,431.14 = 140,765.80/x - Step 3: Cross multiply
253,952.68x = 350,431.14 × 140,765.80 - Step 4: Simplify right side
253,952.68x = 49,328,719,767.01 - Step 5: Solve for x
x = 49,328,719,767.01/253,952.68 - Step 6: Final answer
x = 194,243.75
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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.