Finding the Fourth Proportional to 179,289.79, 268,848.92 and 104,431.28
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Solution
The fourth proportional to 179,289.79, 268,848.92 and 104,431.28 is: 156,596.96
Step by Step Solution
- Step 1: Write the proportion equation
179,289.79 : 268,848.92 = 104,431.28 : x - Step 2: Convert to fraction form
179,289.79/268,848.92 = 104,431.28/x - Step 3: Cross multiply
179,289.79x = 268,848.92 × 104,431.28 - Step 4: Simplify right side
179,289.79x = 28,076,235,759.05 - Step 5: Solve for x
x = 28,076,235,759.05/179,289.79 - Step 6: Final answer
x = 156,596.96
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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.