Finding the Fourth Proportional to 320,247.30, 480,353.62 and 162,471.65
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Solution
The fourth proportional to 320,247.30, 480,353.62 and 162,471.65 is: 243,698.68
Step by Step Solution
- Step 1: Write the proportion equation
320,247.30 : 480,353.62 = 162,471.65 : x - Step 2: Convert to fraction form
320,247.30/480,353.62 = 162,471.65/x - Step 3: Cross multiply
320,247.30x = 480,353.62 × 162,471.65 - Step 4: Simplify right side
320,247.30x = 78,043,843,617.81 - Step 5: Solve for x
x = 78,043,843,617.81/320,247.30 - Step 6: Final answer
x = 243,698.68
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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.