Finding the Fourth Proportional to 189,371.76, 284,059.84 and 56,248.80
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Solution
The fourth proportional to 189,371.76, 284,059.84 and 56,248.80 is: 84,373.85
Step by Step Solution
- Step 1: Write the proportion equation
189,371.76 : 284,059.84 = 56,248.80 : x - Step 2: Convert to fraction form
189,371.76/284,059.84 = 56,248.80/x - Step 3: Cross multiply
189,371.76x = 284,059.84 × 56,248.80 - Step 4: Simplify right side
189,371.76x = 15,978,025,128.19 - Step 5: Solve for x
x = 15,978,025,128.19/189,371.76 - Step 6: Final answer
x = 84,373.85
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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.