Finding the Fourth Proportional to 300,487.14, 414,953.19 and 193,243.38
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Solution
The fourth proportional to 300,487.14, 414,953.19 and 193,243.38 is: 266,856.53
Step by Step Solution
- Step 1: Write the proportion equation
300,487.14 : 414,953.19 = 193,243.38 : x - Step 2: Convert to fraction form
300,487.14/414,953.19 = 193,243.38/x - Step 3: Cross multiply
300,487.14x = 414,953.19 × 193,243.38 - Step 4: Simplify right side
300,487.14x = 80,186,956,977.38 - Step 5: Solve for x
x = 80,186,956,977.38/300,487.14 - Step 6: Final answer
x = 266,856.53
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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.