Finding the Fourth Proportional to 235,965.68, 325,633.08 and 140,475.68
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Solution
The fourth proportional to 235,965.68, 325,633.08 and 140,475.68 is: 193,856.70
Step by Step Solution
- Step 1: Write the proportion equation
235,965.68 : 325,633.08 = 140,475.68 : x - Step 2: Convert to fraction form
235,965.68/325,633.08 = 140,475.68/x - Step 3: Cross multiply
235,965.68x = 325,633.08 × 140,475.68 - Step 4: Simplify right side
235,965.68x = 45,743,528,343.49 - Step 5: Solve for x
x = 45,743,528,343.49/235,965.68 - Step 6: Final answer
x = 193,856.70
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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.