Finding the Fourth Proportional to 189,853.34, 284,639.27 and 114,955.47
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Solution
The fourth proportional to 189,853.34, 284,639.27 and 114,955.47 is: 172,347.99
Step by Step Solution
- Step 1: Write the proportion equation
189,853.34 : 284,639.27 = 114,955.47 : x - Step 2: Convert to fraction form
189,853.34/284,639.27 = 114,955.47/x - Step 3: Cross multiply
189,853.34x = 284,639.27 × 114,955.47 - Step 4: Simplify right side
189,853.34x = 32,720,840,488.53 - Step 5: Solve for x
x = 32,720,840,488.53/189,853.34 - Step 6: Final answer
x = 172,347.99
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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.