Finding the Fourth Proportional to 324,343.80, 486,285.30 and 146,935.80
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Solution
The fourth proportional to 324,343.80, 486,285.30 and 146,935.80 is: 220,299.32
Step by Step Solution
- Step 1: Write the proportion equation
324,343.80 : 486,285.30 = 146,935.80 : x - Step 2: Convert to fraction form
324,343.80/486,285.30 = 146,935.80/x - Step 3: Cross multiply
324,343.80x = 486,285.30 × 146,935.80 - Step 4: Simplify right side
324,343.80x = 71,452,719,583.74 - Step 5: Solve for x
x = 71,452,719,583.74/324,343.80 - Step 6: Final answer
x = 220,299.32
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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.