Finding the Fourth Proportional to 189,207.81, 283,490.55 and 114,170.30
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Solution
The fourth proportional to 189,207.81, 283,490.55 and 114,170.30 is: 171,061.65
Step by Step Solution
- Step 1: Write the proportion equation
189,207.81 : 283,490.55 = 114,170.30 : x - Step 2: Convert to fraction form
189,207.81/283,490.55 = 114,170.30/x - Step 3: Cross multiply
189,207.81x = 283,490.55 × 114,170.30 - Step 4: Simplify right side
189,207.81x = 32,366,199,723.21 - Step 5: Solve for x
x = 32,366,199,723.21/189,207.81 - Step 6: Final answer
x = 171,061.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.