Finding the Fourth Proportional to 327,288.42, 490,927.70 and 147,246.70
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Solution
The fourth proportional to 327,288.42, 490,927.70 and 147,246.70 is: 220,867.83
Step by Step Solution
- Step 1: Write the proportion equation
327,288.42 : 490,927.70 = 147,246.70 : x - Step 2: Convert to fraction form
327,288.42/490,927.70 = 147,246.70/x - Step 3: Cross multiply
327,288.42x = 490,927.70 × 147,246.70 - Step 4: Simplify right side
327,288.42x = 72,287,484,745.37 - Step 5: Solve for x
x = 72,287,484,745.37/327,288.42 - Step 6: Final answer
x = 220,867.83
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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.