Finding the Fourth Proportional to 159,251.63, 238,912.01 and 48,440.75
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Solution
The fourth proportional to 159,251.63, 238,912.01 and 48,440.75 is: 72,671.64
Step by Step Solution
- Step 1: Write the proportion equation
159,251.63 : 238,912.01 = 48,440.75 : x - Step 2: Convert to fraction form
159,251.63/238,912.01 = 48,440.75/x - Step 3: Cross multiply
159,251.63x = 238,912.01 × 48,440.75 - Step 4: Simplify right side
159,251.63x = 11,573,076,948.41 - Step 5: Solve for x
x = 11,573,076,948.41/159,251.63 - Step 6: Final answer
x = 72,671.64
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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.