Finding the Fourth Proportional to 235,964.68, 325,631.70 and 140,474.68
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Solution
The fourth proportional to 235,964.68, 325,631.70 and 140,474.68 is: 193,855.32
Step by Step Solution
- Step 1: Write the proportion equation
235,964.68 : 325,631.70 = 140,474.68 : x - Step 2: Convert to fraction form
235,964.68/325,631.70 = 140,474.68/x - Step 3: Cross multiply
235,964.68x = 325,631.70 × 140,474.68 - Step 4: Simplify right side
235,964.68x = 45,743,008,855.36 - Step 5: Solve for x
x = 45,743,008,855.36/235,964.68 - Step 6: Final answer
x = 193,855.32
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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.