Finding the Fourth Proportional to 189,371.21, 284,056.48 and 110,430.08
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Solution
The fourth proportional to 189,371.21, 284,056.48 and 110,430.08 is: 165,644.92
Step by Step Solution
- Step 1: Write the proportion equation
189,371.21 : 284,056.48 = 110,430.08 : x - Step 2: Convert to fraction form
189,371.21/284,056.48 = 110,430.08/x - Step 3: Cross multiply
189,371.21x = 284,056.48 × 110,430.08 - Step 4: Simplify right side
189,371.21x = 31,368,379,810.92 - Step 5: Solve for x
x = 31,368,379,810.92/189,371.21 - Step 6: Final answer
x = 165,644.92
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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.