Finding the Fourth Proportional to 324,760.80, 486,910.80 and 147,352.80
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Solution
The fourth proportional to 324,760.80, 486,910.80 and 147,352.80 is: 220,924.66
Step by Step Solution
- Step 1: Write the proportion equation
324,760.80 : 486,910.80 = 147,352.80 : x - Step 2: Convert to fraction form
324,760.80/486,910.80 = 147,352.80/x - Step 3: Cross multiply
324,760.80x = 486,910.80 × 147,352.80 - Step 4: Simplify right side
324,760.80x = 71,747,669,730.24 - Step 5: Solve for x
x = 71,747,669,730.24/324,760.80 - Step 6: Final answer
x = 220,924.66
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1.5x scale
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.