Finding the Fourth Proportional to 253,690.27, 350,088.14 and 138,971.18
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Solution
The fourth proportional to 253,690.27, 350,088.14 and 138,971.18 is: 191,777.80
Step by Step Solution
- Step 1: Write the proportion equation
253,690.27 : 350,088.14 = 138,971.18 : x - Step 2: Convert to fraction form
253,690.27/350,088.14 = 138,971.18/x - Step 3: Cross multiply
253,690.27x = 350,088.14 × 138,971.18 - Step 4: Simplify right side
253,690.27x = 48,652,161,919.81 - Step 5: Solve for x
x = 48,652,161,919.81/253,690.27 - Step 6: Final answer
x = 191,777.80
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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.